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Zoom Dinosaurs
DINOSAUR QUESTIONS
Current Questions Top 16 Questions Old Questions Ask A Question
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By Date By Type of Dinosaur General Dino. Qns. Qns. About Other Animals Geological Era Qns.

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Questions from April 2000



Q: were can i find pictures of dinosaras
from ?, ?, ?, ?; April 30, 2000

A: Click here.



Q: have found a stone heart or it is petrified into stone. it is of the whole organ. need info on this type of fossil?
from markm, walkerton, indiana, usa; April 30, 2000

A: A fossilized dinosaur heart was recenty found. For more information on it, click here.



Q: Are dinosaurs endothermic or ectothermic?
from bob t, anderson, IN, USA; April 30, 2000

A: This is a hot question - there's evidence both ways. For information on this topic, click here.



Q: Did the Stegasaurus have claws?Did the Stegasaurus travel in packs or alone? What were the packs called?
from Melody M, Las Vegas, Nevada, United States of America; April 30, 2000

A: Stegosaurus had tiny claws on its feet. Stegosaurus, like other Stegosaurians, may have been a herding animal, but this is far from certain. Stegosaurus was a plant-eater, and a group of them would not be called a pack (that term is reserved fro meat-eaters); it would be called a herd. For more information on Stegosaurus, click here.



Q: How many tons does a T-Rex weigh?
from Adelina V., Tujunga, California, United States; April 30, 2000

A: T. rex weighed from 5 to 7 tons. For more information on T. rex, click here.



Q: when were the dinosaurs extinct?
from Gabriella G, roswell, ga, usa; April 30, 2000

A: The last of the dinosaurs went extinct 65 million years ago.



Q: Who found the first dinosaur fossil skeleton in the USA and what type was it?
from Tegan B., Wilmington, North Carolina, USA; April 30, 2000

A: For information on early fossil finds, click here.



Q: what does the rino eat?
from becky l., Laredo, texas, ?; April 30, 2000

A: The rhinosaurus is a plant-eater. For a printout on the rhino, click here.



Q: How large were the wollymamoths? What are some general facts about woolymamoths?
from ?, lakewood, colorado, North America; April 30, 2000

A: For information on woollyy mammoths, click here. For a woolly mammoth printout, click here



Q: What were the first three dinosaur fossils (skeletons) ever found?
from Tegan B., Wilmington, North Carolina, ?; April 30, 2000

A: Megalosaurus, Iguanodon, and Hylaeosaurus. For information on early fossil finds, click here.



Q: What mechanisms for defense against enimies did the Archaeopteryx have?Where did it live in the earth?(ex.Jurassic period in swampland)What type of food did it consume? please answer a/s/a/p!! thank u!!
from Tammie A., N.Y.C, United States, ?; April 29, 2000

A: Archaeopteryx had claws on its wings and on its feet. It also has a beak and teeth to help defend itself. It lived (150 million years ago, during the middle Jurassic period) near water in what is now Europe. The first Archaeopteryx fossil was found in Solnhofen, Germany, which was a relatively still lagoon. For more information on Archaeopteryx, click here.



Q: A person of suspect credibility says that a blue whale is the largest creature ever to inhabit the Earth. I am skeptical. Wasn't there a dinosaur that was bigger?
from Jeremy J., ?, ?, ?; April 29, 2000

A: The blue whale is bigger than any dinosaur. Athough some dinosaurs were longer, none were more massive.



Q: Were Dinosaurs reptiles and what colors were they.
from Karlie B, Pelion, South Carolina, ?; April 29, 2000

A: Yes, dinosaurs were reptiles, and no one knows what color any of them were.



Q: what is the name of the New York State Dinosaur?
from Amie R., Wantagh, New York, usa; April 29, 2000

A: New York has no official state dinosaur. For a list of official state dinosaurs, click here.



Q: Which dinosaur used to spit poison?
from Robin D, Glendora, Ca., L.A.; April 28, 2000

A: No dinosaur is known to have spit poison, although in the movie "Jurassic Park," they had the dinosaur Dilophosaurus spitting poison.



Q: what do footprints show?
from May L., N.Y.C., N.Y., USA; April 28, 2000

A: Footprints can tell you a lot about the animal that made them. They can tell you:

For more informaiton on dinosaur locomotion, click here.



Q: I read in the Dallas Morning News that there was a discovery of a dinosaur heart that could change what people thought about dinosaurs. Is this true? And can I get some more information on that subject?
from Christina A., Dallas, TEXAS, U.S.A.; April 28, 2000

A: For information onthis Thescelosaurus heart, click here.



Q: what was the climate like in the cretaceous period? please answer quickly.
from nikki z, ?, ?, ?; April 28, 2000

A: It varied quite a bit from place to place (inner continent vs. shore and polar vs. equatorial) and from time to time (Triassic, Jurassic, or Cretaceous). The Triassic was generally warmer and dryer that the Jurassic or Cretaceous periods. The Earth began to cool during the mid Mesozoic For more information on the Mesozoic Era, click here.



Q: How fast does humans walk compared to dinasaurs (MPH)(PLEASE ANSWER AS SOON AS POSSIBLE,IT'S BONUS DUE MONDAY!!!!!)
from Stormiee A., Sedgewickville (HcR 62 Box 53), Missouri, America; April 28, 2000

A: The speeds of the dinosaurs varied a tremendous amount. The fastest (the ornithomimids) were probably about as a fast as a modern-day ostrich, running about 43 mph (70 kph), much faster than person. For more information on dinosaur locomotion, click here.



Q: If the dinosaurs were wiped out so compleatly are suddenly 65 mya, how could today's birds have evolved from them? Had modern birds already evolved at the time of the mass extiction? and had they survived?
from Stan P, College Park, MD, USA; April 28, 2000

A: Yes, presumably, birds had already branched off and occupied different niches from the terrestrial dinosaurs. Their differences allowed many of these new species to survive the K-T extinction.



Q: In my science class we have been studying about dinosaurs and i had to do research on the Icthyosaurus and my question is: What does the Icthyosaurs look like?
from mickey m, russellville, ky, united states of america; April 28, 2000

A: There were many different types of Ichthyosaurs. Some looked a bit like enormous modern-day dolphins, others looked like bloated versions of it. For information on Ichthyosaurs, click here.



Q: What was life like in the Mesozoic Era
from Sarah, W., GA, North America; April 28, 2000

A: For information on the Mesozoic Era, including climate, life forms, and the position of the continents, click here.



Q: Can you give me alot of information on pteradactyls?
from Bridgette S., East Liverpool, Ohio, United States; April 28, 2000

A: For information on Pterodactyls, click here.



Q: Who discovered the Stegosaurus?
from AustinP, LaGrange, GA, US; April 27, 2000

A: The first Stegosaurus fossil was found in 1876 by M. P. Felch. Paleontologist Othniel C. Marsh named Stegosaurus in 1877. For info on Stegosaurus, click here.



Q: PLEASE ANSWER AS SOON AS POSIBLE!!!! I'm doing a science project on the Albertosaurus and i need to know if the albertosaurus was a good parent and what their eggs looked like!!
from Damara V, Raleigh, North Carolina, United States; April 27, 2000

A: Neither Albertosaurus eggs nor nests have been found, so no one knows if it was a good parent. For information on Albertosaurus, click here.



Q: How big is a Trisatops?
from ?, ?, ?, ?; April 27, 2000

A: For information on Triceratops, click here.



Q: What are the main differences between the tyrannosuarus rex and giganotosaurus?
from Isabel H, Santiago, capital, Chile; April 27, 2000

A: For a page on T. rex vx. Giganotosaurus, click here.



Q: how much does a saber tooth tiger weigh? (the least and the greatest)
from jenny ng, brooklyn, ny, usa; April 27, 2000

A: There were many different species of saber-toothed cats. Smilodon was among the largest of these early cats; it weighed about 440 pounds (200 kg). For more info on Smilodon, click here. For a printout on info on Smilodon, click here.



Q: How long did the dinosaurs exist for?
from derek r, woodbury, minnesota, usa; April 27, 2000

A: They lived from about 230 million years ago until 65 million years ago, a span of about 165 million years.



Q: Could you please send me all the infomation you have on Herrasaurus' and dragonflies please.
from chloe.s, Perth, Western Australia, Australia; April 27, 2000

A: For info on Herrerasaurus, click here. For information on dragaonflies, click here.



Q: what is a fast moving hollow boned cannibal evidenced only by the vast ossuaries in the sedimentary rock Strangely enough one of them went to outer space a visitor to the space station Mir
from mary c, hesperia, ca, us; April 26, 2000

A: Coelophysis.



Q: My question is about the small theropod dinosaur SCIPIONYX-Samniticus. this was the first dino found with fossilized soft tissues,and some internal organs.(possibly a maniraptor related to velociraptor, a dromaeosaurid.) i read somewhere that john ruben a respiratory physiologist used ultra-violet light on the fossil,and in analysis came to the conclusion that SCIPIONYX was a cold-blooded or ectothermic animal. but if SCIPIONYX is related to (coelurosauria) drmaeosaurids like velociraptor wouldn`t that mean it would be homeothermic,warm-blooded. being that dromaeosaurids,and early birds like archaeopteryx shair a common a ancestry. is there new analysis of SCIPIONYX? or was john ruben analysis not correct? esp in light of great new evidence for dinosaur endothermy,with the discovery of a fossilized four chambered dino heart.
from Michael, San Francisco, California, USA; April 26, 2000

A: John A. Ruben, a vertebrate paleobiologist from Oregon State University, used an 80-watt ultraviolet (UV) lamp to help reveal outlines of Scipionyx's fossilized internal organs. Ruben found that the position of Scipionyx's colon (intestines) and liver were similar to that of modern crocodilians (which are cold-blooded), and unlike that of birds (which are warm-blooded). The position of the liver also gives information about the lungs, since a muscle that runs by the liver helps the lungs to expand and contract in crocodilians. Scipionyx probably had reptilian-style lungs (and not highly efficient bird lungs).

Although Ruben's work is not absolutely conclusive, it looks like the small theropod Scipionyx may be cold-blooded. For more information on Ruben's work, see the January 22; 283: 514-516 (1999) issue of the magazine Science.



Q: What is the food web for the Tyrannesaurus Rex?
from Geneva C., Clayton, NC, USA; April 26, 2000

A: Click here.



Q: What is the Classification of Ichthyosaurus and Chelonians?
from Kris H., Amarillo, Tx, USA; April 26, 2000

A: For the classification of Ichthyosaurus, click here and scroll down to the section on classification.

Chelonians are classified as follows:





Q: did the tyrannosaurs rex eat there own eggs, and can you tell me information on there babys.
from johncarlo r, alexandria, virginia, united states; April 26, 2000

A: No one knows, since no T. rex eggs have been found. For information on T. rex, click here.



Q: Which dinosaur's name means "thunder lizard"?
from ?, ?, ?, ?; April 25, 2000

A: I answered that this morning. Please scroll down and read it.



Q: how do apatosaurus defend themselves?
from rachael c, ?, arkansas, united states; April 25, 2000

A: Apatosaurus had a whip-like tail that it may have used for defense. It also had clawed feet.



Q: How did the Triassic Period get it's name. What dinosaurs existed in this period
from Sunny K, wernersville, PA, USA; April 25, 2000

A: The Triassic period was named in 1834 by the German geologist Friedrich August Von Alberti (1795-1878) (it was originally named the "Trias"). It got its name because this period of geologic time is represented by a three-part division of rock types in Germany. These three distinctive rock layers are (from the bottom or earliest) the Bunter (which is brown sandstone and red beds), the Muschelkalk, and the Keuper.

For more information on the Triassic period, click here. FOr a list of Triassic dinosaurs, click here.



Q: what kind of dinosaur is rutidon?
from ramona j, millbrook, alabama, usa; April 25, 2000

A: Rutiodon was a phytosaur, not a dinosaur. It was an aquatic reptile that looked a bit like a crocodile. For more information on Rutiodon, click here.



Q: What is the meaning of the microvenator's name, who made it up, and what was the earth like when it lived?
from Chickenman P., peetree ville, kentucky, russia; April 25, 2000

A: Microvenator, named by John H. Ostrom, means "small hunter." Microvenator lived in the early Cretaceous period, about 119 million to 113 million years ago. This was a time when the Earth was warmer than it is now and the sea levels were much higher (since there was no polar ice). For information on Microvenator, click here.



Q: Yes, I am doing a class project for Science and i was wondering. What ERA Stegasaurs lived in?
from Kaci B, Cape Coral Fl, FLorida, United States; April 25, 2000

A: The various Stegasaurs lived from the middle Jurassic period through the late Cretaceous period. Stegosaurus, in particular, lived during the late Jurassic Period, about 156-140 million years ago. For more information on Stegosaurus, click here.



Q: How did Dimetrodom get his name?
from August Lang, San Rafael, California, USA; April 25, 2000

DimetrodonA: Dimetrodon's name means "two measures tooth" because it had two types of teeth - sharp canines and shearing teeth.. For more information on Dimetrodon, click here.



Q: Did dinosaurs live in New Jersey? How many teeth did they have? How many dinosaurs were there?
from louis, Jersey City, New Jersey, USA; April 25, 2000

A: Coelurosaurus, Diplotomodon, Dryptosaurus, Hadrosaurus foulkii, Nodosaurus, Ornithotarsus were all found in New Jersey. Hadrosaurus foulkii is the most famous dinosaur from New Jersey, and it had hundreds of teeth. For a list of dinosaur finds by state, click here.

For a list of all the known dinosaur genera, click here.



Q: What is the definition of Jurassic, Cretacious, and Triassic?
from Amanda S., Belchertown, MA, US; April 25, 2000

A: They are all periods of the Mesozoic Era. For more information, click here.



Q: Was the Brontosaurus a seperate dinosaur from the Apatosaurus?
from Steve P, Ivyland, PA, USA; April 25, 2000

A: No. For information on Apatosaurus, click here



Q: Is there a relationship in the extinction of dinosaurs and Wooley mammoths?
from Jennifer M., Niles, MIchigan, USA; April 25, 2000

A: Those two events happened about 65 million years apart; the last of the dinosaurs went extinct 65 million years ago and most mammoths died out anout 11,000 years ago. The K-T extinction 65 million years ago did open up many niches that mammal could inhabit, so it probably helped the development of mammals.



Q: Which dinosaur is known as the thunder lizard?
from ?, ?, ?, ?; April 25, 2000

A: Brontosaurus means "thunder lizard." Apatosaurus is the new name fro Brontosaurus. For information on Apatosaurus, click here



Q: If a stegasurus was ging to give birth,how will it be delivered and what special cares will it need?
from Jonnie P, San Fransisco, ?, ?; April 24, 2000

A: No one knows. For inoformation on Stegosaurus, click here



Q: what plants existed in the Jurassic period
from Scrogmaster, ?, ?, ?; April 24, 2000

A: For Jurassic period plants, click here.



Q: WHERE CAN I FIND INFO ON THE LONGNECK DINASAURS?
from Theresa m, St. Aug, Fla, U.S.A.; April 24, 2000

A: For information on Apatosaurus, click here.



Q: What does a plesiosaurus look like, I need a picture not a describtion
from Scott W., Albuturque, new mexico, US; April 24, 2000

A: There is a drawing and a description in the Zoom Dinosaurs Dictionary (click here), and a large drawing in the printouts.



Q: where can i find more information on the reptile dimetrodons?
from janeth c, Edinburg, texas, u.s.; April 24, 2000

DimetrodonA: For a page on Dimetrodon, click here.



Q: Where did the Lystrosaurus live?
from ?, ?, ?, ?; April 24, 2000

A: Fossils of Lystrosaurus have been found in South Africa, India, Europe, and Asia. For more information on Lystrosaurus, click here.



Q: How did plant eaters protect themselves?
from Terry W., Springfield, IL, USA; April 24, 2000

A: It varied quite a bit. Some had armor, others had horns, spikes, plates, whip-like tails, claws, tail maces, etc. For a page on dinosaur defences, click here. For a printout on dinosaur defences, click here.



Q: Which dinosaur was propably the most dangerous dinosaurs from the Jurassic period?
from Arjen R, Berkel en Rodenrijs, Zuid-Holland, The Netherlands; April 23, 2000

A: Its hard to know exactly, but some candidates (large meat-eaters) would be Megalosaurus, Allosaurus, Piveteausaurus, Poekilopleuron, Dilophosaurus, Monolophosaurus , Szechuangosaurus, Yangchuanosaurus, Torvosaurus, Ceratosaurus, and Eustreptospondylus.



Q: where and when did dinosaurs live?
from amanda w, forest park, Georgia, usa; April 22, 2000

A: Dinosaurs lived during the Mesozoic Era, about 230 - 65 million years ago and lived on every continent on Earth. For a list of dinosaurs by continent, click here.



Q: how big are the largest dinosaur eggs
from ?, ?, ?, ?; April 22, 2000

A: Click here.



Q: What is a Procompsognathus? Give me all information about it.
from Rogsamone Bolton, Detroit, MI, USA; April 22, 2000

A: Procompsognathus was a meat-eating dinosaur that lived during the late Triassic period. For more information on Procompsognathus, click here.



Q: How tall is an adult ostrich?
from Curtis R, columbus, IN, US; April 22, 2000

A: Adult ostriches acn be up to 9 feet (2.7 m) tall. For more information on ostriches, click here.



Q: Were there ever any warm blooded dinosaurs? If so what were they called and what classified them as warm blooded?
from John P., Charlotte,, North Carolina, United States; April 22, 2000

A: Probably. A Thescelosaurus was foundn with its fossilized 4-chambered heart, indicating that it was probably warm-blooded and active, since its heart was advanced and powerful. For information on Thescelosaurus, click here.



Q: How many dinosours are known to man and what are all of there names?
from Danny R., ?, Or., U.S.A.; April 21, 2000

A: For a list of all the known dinosaur genera, click here.



Q: Where would be a good place to find an extensive and complete list of all the large predators that lived during the Permian period? (i.e. Dimetradon etc.)
from William Q, Cranston, Rhode Island, United States; April 20, 2000

A: We have a short page on the Permian at: /subjects/dinosaurs/dinotemplates/Permianprintouts.shtml



Q: How many dinosaurs are known to man?
from Justin m, ?, ?, ?; April 20, 2000

A: For a list of the known dinosaur genera, click here.



Q: What kind of weather and /or climate did the dinosaurs live in?
from Yenny R., New York, New York, USA; April 20, 2000

A: It varied for the different time periods and the different geographic locations of the dinosaurs. For very general information on the climate during the three periods of the Mesozoic Era, click here.



Q: Where were some of the dinasours found?
from Amanda B, Atlanta, Ga, USA; April 20, 2000

A: For the locations where dinosaurs were found, click here.



Q: What does T.Rex mean?
from Ryan V.H., Oak Creek, WI., USA; April 20, 2000

A: Tyrannosaurus rex means "tyrant lizard king."



Q: Where can I find info on the dinosaur Pachycefalosaurus?
from Justin M, ?, ?, ?; April 20, 2000

A: Click here.



Q: What was the Maiasaura main defense and could you please e-mail me some pics of the maiasaura soon its for a project at school thanks alot
from mike B, Elyria, Ohio, usa; April 20, 2000

A: Maiasaura was pretty much a defenseless dinosaur. It was like a huge cow. It could probably kick its attackers with its hoof-like feet or nip with its beak, but neither of these would be very effective. Running away would be its best alternative. For a page on Maiasaura with pictures, click here.



Q: DEAR ZOOM DINOSAUR CAN YOU FIND ME EVERY THING ON THE VELOCIRAPTER
from CHRIS G., MAPLEWOOD, MN, UNITED STATES; April 20, 2000

A: For a page on Velociraptor, click here.



Q: Were dinosaur fossils found in Antartica? by Blake
from Angie Kemp, Lewisville, Texas, USA; April 20, 2000

A: Yes, some dinosaur fossils have been found in Antarctica (which wasn't quite so southerly and cold during the time of the dinosaurs). For a page on Antarctic dinosaurs, click here.



Q: What is the Bipedal locomotion of Dinosaurs? ie. how did dinosaurs walk and run?
from Hatice K, ?, ?, ?; April 19, 2000

A: Click here.



Q: What kinds of plants did the triceratops eat?
from Maria B, Chicago, Ilinios, U.S.A; April 19, 2000

A: Triceratops was an herbivore, a plant eater (a primary consumer). It probably ate cycads, palms, and other low-lying plants with its tough beak. Triceratops could chew well with its cheek teeth (like other Ceratopsians, but unlike most other dinosaurs). For more information on Triceratops, click here.



Q: Were dinosaurs warm-blooded or cold-blooded?
from ?, ?, ?, ?; April 19, 2000

A: No one knows for sure. For a discussion of the debate, click here.



Q: How did landmasses change during the time of the dinosaures?
from Jentry L Jensen, Orient, Iowa, U.S.; April 19, 2000

PangaeaA: When the dinosaurs appeared (during the early Mesozoic Era, in the Triassic Triassic period about 230 million years ago), the continents were jammed together into a supercontinent called Pangaea. Pangaea started to break apart during the Jurassic period (roughly 150 million years ago), forming the continents Gondwanaland and Laurasia.



Q: What era did the dinosours live
from Jose A. D., Fajardo, ?, Puerto Rico; April 19, 2000

A: The Mesozoic Era.



Q: What did tricaratops evolve from?
from mitul a, simi vally, calafornia, u s a; April 19, 2000

A: Earlier ceratopsians.



Q: Do you have information on the prehistoric animal DUNKLEOSTEUS
from Jairo Q, Houston, Texas, U.S.A.; April 19, 2000

A: For information on Dunkleosteus, click here.



Q: Why was Coelophysis said to be a metataxa in The Complete T. Rex?
from Brad M., Woodville, ON, Canada; April 19, 2000

A: Thomas Holtz's classification (cited in The Complete Dinosaur) divides Ceratosauria (early theropods whose ilium is fused with the other hip bones, whose neck vertebrae have two pairs of pleurocoels, etc.) into Coelophysoidea (including Dilophosaurus, Coelophysis, Liliensternus, Syntarsus, etc.) and Neoceratosauria (lncluding Ceratosaurus, Elaphrosaurus, Abelisauridae, etc.). There's a picture of the fused ilium of Syntarsus on page 274 of the book. Coelophysoidea were predators with an unusual kink or notch in the upper snout. They lived from the late Triassic until the early Jurassic period.



Q: Where can I find info on the Tyranosaurus Rex?
from Brittney G., Denton, N.C, U.S.A; April 19, 2000

A: For info on T. rex, click here.



Q: My daughter and I are trying to find the names of "flying" dinosaurs. Could you help us? Sincerely Lisa M.
from Lisa M., Hebron, IN, USA; April 19, 2000

A: The Pterosaurs were flying reptiles that lived during the time of the dinosaur. They were very closely related to the dinosaurs, but are not technically dinosaurs. For more information on Pterosaurs, click here.



Q: do you have any pictures of the insides of a diplodocus.
from ashley h., elyria, unite states of america, ohio; April 19, 2000

A: No, no one knows what their internal organs looked like or where they were positioned. For information on Diplodocus, click here.



Q: Jack Horner has a theory on Tryrannosaur. He believes that the Tyrannosaur was a scavenger and not a predator. I would appreciate if you could dig up some information on how Horner derived this theory and the validity of the argument. Also, I would like to here an argument in favor of the predatory theory, and what are the strengths and weaknesses of both arguments if possible. Thank You.
from jeff w, louisville, KY, United States; April 18, 2000

A: We have a discussion of this in our section on T. rex's diet. To go there, click here.



Q: If horseshoe crabs lived back when the dinosaurs did why arent they considered a dinosaurs?
from ?, ?, ?, ?; April 18, 2000

A: Lots of animals were alive during the time of the dinosaurs, including fish (like sharks), insects (like dragonflies), worms, early mammals, and many other organisms. Dinosaurs are defined as reptiles that had a particular leg structure (columnar vs. sprawling legs) and other well-defined characteristics.



Q: My daughter is doing a report on dinosaur finds in California. We are having a hard time finding a detailed description of a hypsilophodont dinosaur, discovered by Dick Hilton in 1991 in Shasta County CA. Any information you could give would be very helpful. Thank you Tracy
from Tracy V, San Jose, CA, USA; April 18, 2000

A: Richard P. Hilton found partial fossils (mostly limbs) of a plant-eating dinosaur in the Budden Canyon Formation of northern California. This dinosaur dates from the early Cretaceous Period (about 120 million years ago). It was a small ornithopod dinosaur with similarities to the hypsilophodontids, like Parksosaurus and Hypsilophodon. (Reference: R.P. Hilton, F.L. Decourten, M.A. Murphy, P.U. Rodda, and P.G. Embree, Journal of Vertebrate Paleontology, 1997, 17(3): 557-560 ).



Q: WHAT TYPE OF ROCK DO PALEONTOLOGISTS FIND THE DINOSAURES OFF.
from ?, ?, ?, ?; April 18, 2000

A: Usually sedimentary rock.



Q: Did diosaurs have diseases?
from Ashten W., Hermann, Missouri, U.S.A.; April 18, 2000

A: Yes, dinosaurs have been found with arthritis and gout.



Q: Did the Diplocous lay eggs in a nest or did they just lay them anywhere?
from Lyndsay Todd, Houston, Texas, America; April 18, 2000

A: Neither Diplodocus eggs nor nests have been found yet (but other sauropod eggs have been found), so no one knows.



Q: WHAT IS THE DIFFERENCE BETWEEN AN Orntiopod and a Theropod?
from Lyndsay T., Cypress, Texas, United States; April 18, 2000

A: Ornithopods were beaked, bipedal, herbivorous (plant-eating) dinosaurs that lived from the late Triassic to the late Cretaceous Period. Drinker, Iguanodon, Hypsilophodon, and Othnielia were ornithopods. They belong to the group of bird-hipped dinosaurs (ornithischians). Ornithopod means "bird-footed".

Theropods were meat-eating dinosaurs that belong to the group of lizard-hipped dinosaurs (saurischians). They were fast-moving, bipedal carnivores (meat-eaters) with grasping hands and clawed digits. Theropods lived from the mid-Triassic period until the end of the Cretaceous period. Theropod means "beast-footed".



Q: what were the types of animals found on Gondwana Land
from ?, ?, ?, ?; April 18, 2000

LaurasiaA: Gondwanaland, also known as Gondwana, was the southern supercontinent formed after Pangaea broke up during the Jurassic period, roughly 130 million years ago. It included what are now the continents South America, Africa, India, Australia, and Antarctica. It broke up into smaller continents during the late Cretaceous period (roughly 65 million years ago).

For a list of dinosaurs (and some other creatures) that lived during the late Jurassic, the early Cretaceous, and the middle Cretaceous periods on what is now South America, Africa, India, Australia, and Antarctica, click on the underlined period names just mentioned, and go the sections on the appropriate continents (note: there are a lot of dinosaurs from that time).



Q: i would like all the names and pictures of dinosaurs
from brandi b, cincinnati, united states, ?; April 18, 2000

A: For a list of all the known dinosaur genera, click here. Many are links to more information on that dinosaur, many with pictures..



Q: Do birds breed with other kinds of birds or do they stay with the same kind of bird?
from Somer G, Columbus, oh, ?; April 18, 2000

A: Birds, like all other animals, can successfully breed only with other animals in their own species.



Q: are there dinosour footprints to see in conn?
from Heather c, worc, ma, usa; April 18, 2000

A: Yes, at Dinosaur State Park in Rocky Hill, Connecticut. For more information, see our page on Dinosaur Museums and Parks.



Q: What kind of dinosaurs lived in the Georgia east coastal areas?
from Jonah W., Baxley, Georgia, USA; April 18, 2000

A: None (that area was under the sea for most of the Mesozoic Era, since the sea levels were higher than they are now as there was no polar ice for most of that time), but giant, ancient shark fossil teeth have been found in Georgia. For a list of dinosaur finds by state, click here.



Q: I am writing a encyclopedia on dinosaurs for a school project and it whould help me a lot if you cuold get soom info on Alamosaurus and ammosaurus please!
from Brandon R., Manteca, Californa, USA; April 17, 2000

A: For info on Alamosaurus and Ammosaurus, click here.



Q: Who was the person that discovered the first specimen of the ichthyosaur in 1811? I need to know this for a school project?
from Josh T., Mukwonago, Wisconsin, USA; April 17, 2000

A: Mary Anning may have found the first Ichthyosaurus iaround 1811.



Q: WHAT ARE ALL THE DIFFERENT NAMES OF PLANT EATING DINOSAURS
from Daniel Riley, Bronx, NY, United States of America; April 17, 2000

A: For a list of all the known dinosaur genera, click here. The dinosaurs whose description are in green letter were plant-eater.



Q: What did Tricaratos evolve in to? I am doing a siance project on it.
from mitul a, simi, calafornia, u s a; April 17, 2000

A: Triceratops was an evolutionary dead-end. It went ecxtinct during the huge K-T extinction and left no descendants.



Q: Dinosaurs are the largest animals to ever walk the Earth, but what is the most massive creature?
from BMW, Beaverton, oregon, United States; April 17, 2000

A: The blue whale.



Q: What started the Mezazoic period and what ended it.
from James H, Long Beach, California, United States; April 17, 2000

A: The Mesozoic Era began after the Permian extinction (the largest mass extinction in the hidtory of the Earth, 248 million years ago) and ended with the K-T Extinction, 65 million years ago.



Q: Which dinosaur was the 1.Smartest 2.Dumest 3.Slowest 4.Fastest 5.Tallest 6.Smallest 7.Lightest 8.Heavyest 9.Longest 10.Strongest
from Brandon R., Manteca, Californa, U.S.A.; April 17, 2000

A: See the page on dinosaur extremes. Q: How many types of dino's are there?
from Joel w, Huntsville, Alabama, U.S.A; April 17, 2000

A: For a list of all the known dinosaur genera, click here.



Q: Were there more meat eaters or plant eaters?
from Hether G., N.Y., ?, Ameria; April 17, 2000

A: There were many more plant-eaters. For more information on dinosaurs' diets, click here.



Q: what role did the stegosaurus play in the food chain
from ?, ?, ?, ?; April 17, 2000

A: Stegosaurus was a plant-eater (a primary consumer in the food web). For more information on Stegosaurus, click here.



Q: Have paleotologists found any nests of the Agrosaurus? What makes an animal a dinosaur? Thanx!
from Amanda M., Cypress, Tx, USA; April 17, 2000

A: No, only a few bones (a radius, manual ungual, tibia and distal caudal vertebrae) were ever found. They were collected by the crew of the H.M.S. Fly in 1844 during a trip along Queensland. The location where the fossils were found was never recorded, and no other have been found yet. For more information on Agrosaurus, click here.



Q: What does a Tanystropheus eat?
from Nick S, Rochester Hills, Michigan, United States Of America; April 17, 2000

A: Tanystropheus ate fish, For more information on Tanystropheus, a Triassic reptile, click here.



Q: What is a 'giganotosaurus'?
from Eric Ho, Singapore, Singapore, Singapore; April 16, 2000

A: Giganotasaurus was a giant meat-eating dinosaur found in South America. It was slightly taller than T. rex. For more information on Giganotosaurus, click here



Q: Is my question done yet?
from Justin K, Hillsbourough, CA, USA; April 16, 2000

A: Yes, scroll down and read it.



Q: What other site can I find more about dinosaur extinction, or if I find about more about dinosaur extinction. Please Quick, I need to know Tuesday, April 18, 2000, because my scince fair is on May 1, 2000 but the teacher said she needs it quick.
from Zeeshan A., Monmouth Junction, New Jersey, United States Of America; April 16, 2000

A: For information on the K-T extinction which killed the dinosaurs, click here.



Q: Were any dinosaurs found in Georgia?
from Ches L., Douglas, GA, usa; April 16, 2000

A: No, but giant, ancient shark fossil teeth have been found in Georgia. For a list of dinosaur finds by state, click here.



Q: I am doing research on the Pachycepholasaurus or they plant or meateaters and is there unusual or special characteristics? Thanx
from Elizabeth M, ?, ?, ?; April 16, 2000

A: Pachycephalosaurus was a plant-eating dinosaur. Its most obvious feature was its dome head. It had a skull up to 10 inches thick (25 cm). For more information on Pachycephalosaurus, click here.



Q: dinichtys
from ?, ?, ?, ?; April 16, 2000

A: For information on Dinichthys/Dunkleosteus, click here.



Q: I am doing a research report for my class on Iguanodons and need to know what type of climate they lived in?
from justin f, manalapan, nj, usa; April 16, 2000

A: Iguanodon lived during the early Cretaceous period, about 135-125 million years ago. At this time, the Earth was warmer than it is now, and the supercontinent Pangaea was breaking up. There was also a lot of volcanic activity at that time. Iguanodon was a 30 feet long (9.3 m) plant eater. It must have needed a lot of plants to eat each day, and must have lived in relatively lush areas. For more information on Iguanodon, click here.



Q: Was Bambiraptor a dromaeosaur? Also, what dinosaurs are named in 2000? I know Bambiraptor is, and a new troodontid- Byronsaurus or something. Any others?
from Brad M., Woodville, Ontario, Canada; April 16, 2000

A: Bambiraptor was a juvenile coelurosaur. For more information on Bambiraptor, click here. Other dinos named early this year include: Byronosaurus and Tendaguria.



Q: In what state can we find the dinosaur excavation site of a dinosaur they have named Sue? Can tourists visit the site?
from Ron G., Winter Park Park, FL, USA; April 16, 2000

A: Sue the T. rex was found near Faith, South Dakota, USA. I don't think it's open to the public, but Sue will be on view at the Field museum in Chicago, IL, in May, 2000.



Q: What does a ornithimimus eat.
from Courtney M, Millville, MA, USA; April 15, 2000

A: Ornithomimus was a meat-eater. For more information on Ornithomimus, click here



Q: Did Triceratops live in Texas?
from Antonia.T, Austin, Texas, USA; April 15, 2000

A: Triceratops fossils For more information on Triceratops, click here.



Q: how big was t rex where can you find fosiles
from James W., mentor, ohio, USA; April 14, 2000

A: Tyrannosaurus rex was up to 40 feet (12.4 m) long, about 15 to 20 feet (4.6 to 6 m) tall. It was roughly 5 to 7 tons in weight. Fossils have been found in western North America and Mongolia. For more information on T. rex, click here.



Q: i need info for a school report about velocaraptor and i need alot of info-where can i get it?
from ?; April 14, 2000

A: For information on Velociraptor, click here.



Q: WHAT WAS THE CLIMATE LIKE IN THE MID CRETATIOUS PERIOD?
from DOUG T., GERMANTOWN, MARYLAND, USA; April 14, 2000

A: For information on the Cretaceous Period, click here.



Q: name the periods from the frist dinosaur to today
from lawrence, waco, tx, USA; April 14, 2000

A: For a chart of geologic time, click here.



Q: does brachiosaurs care for its young
from keyla, lockport, louisiana, USA; April 14, 2000

A: No one knows; there is no fossil evidence that they did. For information on Brachiosaurus, click here.



Q: what is the only continent that dinosaur fossils was not found?
from magaline J, charlotte, north carolina, USA; April 14, 2000

A: Dinosaur fossils have been found on all seven continents.



Q: Did dinosaurs and humans ever coexist?
from John D., Los Angeles, CA, USA; April 14, 2000

A: No - see the following chart.

Dinosaur timeline




Q: was oviraptor an early dinosaur or one of the last before extinction?
from tasha e ,Orlando, FL, USA; April 14, 2000

A: Oviraptor was a late dinosaur; it lived during the late Cretaceous period, about 88-70 million years ago. The dinosaur went extinct about 5 million years later. For more information on Oviraptor, click here.



Q: Once an bird lays her eggs, How long does it take for them to hatch?
from Dean C., Sac., CA, USA; April 14, 2000

A: The incubation period of bird eggs varies from species to species. Chicken eggs take about 20-22 days to hatch. Swan eggs take about a month. Pigeons hatch in about 18 days. Budgies (parakeets) hatch in 27-28 days. There's also a little variability due to the temperature.



Q: What kind of features does a Plesisosaurs have
from ?; April 14, 2000

A: Plesiosaurus was a genus of flippered marine reptiles from the early Jurassic period. It was roughly 7.6 feet (2.3 m) long with 4 wide, paddle-shaped flippers, and a tapered body. For more information on Plesiosaurus, click here.



Q: What is a "helping brain" and where is it located?
from Nina K, Fremont, CA, USA; April 13, 2000

A: It was a second brain that was thought to be at the base of the tail in Stegosaurids and some sauropods. It is now thought that it was not a brain at all, but just a lump of fatty tissue.



Q: WHO NAMED THE TRICERATOPS?
from NATALIE C., LOCKPORT, LA, USA; April 13, 2000

A: Triceratops was named by Othniel Marsh. For more information on Triceratops, click here.



Q: What does pterosauria mean?
from Maria C., Ocoee, FL, USA; April 13, 2000

A: Pterosauria means "winged lizard." For information on Pterosaurs, click here.



Q: what is extinction?
from S.R., St. Louis, MO, USA; April 13, 2000

A: Extinction is when an entire species of animals dies out. For information on extinction, click here.



Q: On what continent did the dinos live?
from Chris S., Brigham, Utah, USA; April 13, 2000

A: Dinosaurs lived on all the continents, including Antarctica (which wasn't quite so southerly during the Mesozoic Era).



Q: What dinosaurs lived in Minnesota
from ?; April 13, 2000

A: A Hadrosaur (duck-billed dinosaur) was found in Minnesota. For other state's dinosaurs, click here.



Q: what does the name mastodon mean?
from James L., pembroke pines, FL, USA; April 13, 2000

A: Mastodon means "breast tooth."



Q: Please help. I read in a book that some dinosaurs may have limped. Why would a dinosaur have a limp?
from Casey M., Springfield, IL, USA; April 13, 2000

A: Dinosaurs got diseases like arthritis and gout, which damage the joints. This may have caused some dinosaurs to limp.



Q: 1. Where is this Stegosaur found?
2.What period in time did they exist?

from ryan l., greensboro, nc, CITYSTATE, USA; April 13, 2000

A: Stegosaurus fossils have been found in the western USA. Stegosaurus lived during the late Jurassic period, about 156 to 145 million years ago. For more information on Stegosaurus, click here.



Q: How many bones did allosaurus have?
from Terry A, Halifax, MA, USA; April 13, 2000

A: About 200 or so. For more information on Allosaurus, click here.



Q: what evolves into and from tricerotops?
from mitul, Los Andeleg, CA, USA; April 12, 2000

A: Triceratops evolved from earlier ceratopsians, dinosaurs similar to like Protoceratops and Montanoceratops. Nothing evolved from Triceratops; it and its close relatives went extinct during the K-T extinction. For more information on Triceratops, click here.



Q: I am doing a 3-5 minute speech abuot the anklyosaurus and I need as much info as possible.
PLEASE,PEASE,PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!

from help, hillsboro, oregon, USA; April 12, 2000

A: For a lot of information on Ankylosaurus, click here. There are also printouts and quizzes on Ankylosaurus (the links are at the bottom of the Ankylosaurus page).



Q: where were brachiosaurus found?
from ?; April 12, 2000

A: Brachiosaurus fossils have been found in Tanzania, Africa and western North America. For more information on Brachiosaurus, click here.



Q: Please give me two examples of evolution during the Jurrasic Period
from Tlo M., Kelsy, Nowhere, USA; April 12, 2000

A: The most obvious is the increase in size of some sauropods, like Brachiosaurus. Also, Archaeopteryx, the first, primitive, dinosaur-like bird appeared about 150 million years ago, toward the end of the Jurassic. For more information on the Jurassic period, click here.



Q: What is a camptosaurus?
from Nicole T, Lantana, Florida, USA; April 12, 2000

A: Camptosaurus was a16-23 feet (5-7 m) long plant-eating dinosaur from the late Jurassic period. For more information on Camptosaurus, click here.



Q: Were dinosaurs the first animals on Earth?
from Ciera D, Springfield, IL, USA; April 12, 2000

A: No, not at all. THey were preceded by early simple animals (like bacteria) many invertebrates (like sponges, corals, worms, insects, crustaceans, etc), fish, amphibians, and other reptiles.



Q: what is the scientific name for a duck billed dinosaur?
from ashley f., tooele, utah, USA; April 12, 2000

A: Duck-billed dinosaurs are called hadrosaurs.



Q: How did a oviraptor defend his self from preditors.
from Nathan L., Marcellus, NY, USA; April 11, 2000

A: Oviraptor had 3 inche (8 cm) long claws on its fingers. It also had claws on its feet and had a toothless beak that may have helped it defend itself. Running away was also an option. For more information on Oviraptor, click here.



Q: What prehistoric plants lived in the Tarrasic Period?
from Jay. N., Pembroke Pines, FL, USA; April 11, 2000

A: For plants that lived during the Triassic period, click here.



Q: What was the first dinosaur?
from ?; April 11, 2000

A: The earliest-known dinosaurs were recently found in Madagascar (an island off the coase of SE Africa). These early dinosaurs are about 230 million years ago. Before these dinosaurs were found, the oldest-known dinosaur was 228 million-year-old Eoraptor, a primitive meat-eater from South America.



Q: HOW DOES PEOPLE KNOW WHAT COLOR DINOSAUERS WERE WHAT IF THEYB WERE PINK WITH PURPLE POKA DOTS??????
from EMILY H, OMAHO, NE, USA; April 11, 2000

A: No one knows what color any of the dinosaurs were.



Q: "What were the plants called in the Jurassic Period"
from ?; April 11, 2000

A: For a page on Jurassic period plants, click here.



Q: Who named Ankylosaurus?
from Nick H., Rochester Hills, MI, USA; April 11, 2000

A: ANSWER



Ankylosaurus was named by Barnum Brown in 1908. For more information on Ankylosaurus, click here. Q: What is the meaning of the name of this dinosaur "Coelophysis"?
from AV, Channelview, TEXAS, USA; April 10, 2000

A: Coelophysis means "Hollow Form." For more information on Coelophysis, click here.



Q: WHAT DINOSAURS WERE IN THE TRIASSIC PERIOD?
from Jack G., Germantown, MD, USA; April 10, 2000

A: For Triassic dinosaurs, click here.



Q: when did the dinasaur pinacosaurus become extinct?
from dillon h, willard, missouri, USA; April 9, 2000

A: Pinacosaurus went extinct about 81 million years ago. For more information on Pinacosaurus, click here.



Q: The frill of the Triceratops was how long?
from Lisa K., Winona, MN, USA; April 9, 2000

A: It had a relatively short frill, a little over 1 m long. The skull was about 2.5 m long. For more information on Triceratops, click here.



Q: We would like more info on the flying dinosaurs, like names and when they lived.
from Vicki G., Hillsboro, OR, USA; April 9, 2000

A: For information on Plesiosaurs, click here.



Q: what is the common name of the alligator?
from angela p., old fort, oh, USA; April 9, 2000

A: It's common name is the alligator. For more information on the alligator, click here.



Q: can you give me information on the laggania it is in the cambrian period.
from mh, conshocken, pa, USA; April 9, 2000

A: Laggania was at first thought to be an indistinct animal, perhaps a sponge. It was first found in the Burgess shale by C. D. Wolcott in the early 1900's, together with Peytoia, (thought to possibly be a jellyfish), and the shrimp-like Anomalocaris. It was later found that these three Cambrian "organisms" were all parts of the Anomalocaris (Whittington & Briggs, 1985).



Q: Do dinosaurs eat other dinosaurs?
from kelsey s., Springfield, IL, USA; April 9, 2000

A: Yes. For example, Triceratops bones have been found in T. rex dung!



Q: WHAT WAS THE LAND AND CLIMATE LIKE FOR THE DINOSAURS? (PLEAZE HELP ITS FOR A REPORT.)
from HERO, ?; April 8, 2000

A: For information on the Mesozoic Era, click here.



Q: How many types of dinosaurs were there?
from Glen, croydon, England; April 8, 2000

A: For a list of all dinosaur genera, click here.



Q: I'm in 2nd grade and have to give a report on Chialingosauras. I can only find very basic stuff. Who discover this dinosaur,when was it discovered and haw long did it live? and anything else that might be interesting.
from kyle z., mastic beach, new york, USA; April 8, 2000

A: Chialingosaurus a 13 feet (4 m) long plant eating dinosaur that was named by Young in China in 1959. It lived during from about 163 to 150 million years ago. It was a stegosaurid that had plates and spikes on its back. For more information on Chialingosaurus, click here.



Q: Were dinosaurs warm blooded or cold blooded and where can I find information about this subject?
from Kara J., Needville, TX, USA; April 8, 2000

A: Click here.



Q: What kinds of dinosaurs are there?
from Max R., Urbana, IL, USA; April 8, 2000

A: Dinosaurs are divided into the saurischians (lizard-hipped dinos) and ornithischians (bird-hipped dinos). The saurischians are divided into theropods (like T. rex) and sauropods (like Apatosaurus). The ornithischian are divided into many groups, including ornithopods (like Hypsilophodon), Marginocephalians (like Triceratops), and Thyreophora (like Stegosaurus). For more information on dinosaur classification, click here.



Q: what are 3 unique features of the Brachiosaurus?
from Rebecca B., Forest Grove, OR, USA; April 8, 2000

A: The brachiosaurids had a very long neck which was held in a giraffe-like position, the nostrils were near the top of the head, the front legs were longer than the rear legs (this is unusual in dinosaurs) and the tail was relatively short and stiff. For information on Brachiosaurus, click here.



Q: What was the Chasmosaurus? Info on the T-rex? The Earth's shifting continents? What has to happen in order for dinosaur bones to be preserved? What natural process might keep bones from being preserved? What natural processes help to uncover fossils?
from Becca, Portland, ME, USA; April 8, 2000

A: For information on Chasmosaurus, click here. For info on T. rex, click here. For information on how bones fossilize, click here. Being eaten and rotting are two events that keep bones from becoming fossils. Erosion is one natural process that helps uncover fossils.



Q: Is saber tooth tiger a dinosaur.
from Luke L, bourbonnais, IL, USA; April 8, 2000

A: No, it was a mammal that lived during the Ice Ages, coexisting with early humans. It went extinct about 11,000 years ago. For more information on saber-toothed cats, like Smilodon, click here. Dinosaurs were reptiles that lived over 65 million years ago.



Q: Where can I find fossils of the Triceratops Dinosaur?
from Jennifer R., Central Point, Oregon, USA; April 7, 2000

A: Triceratops have been found in western Canada and the western United States. Many museums have Triceratops on display, including the Smithsonian (in Washington, D.C., USA)



Q: What tools are used to fing and dig up dinosaurs?
from Zach G., East Amherst, NY, USA; April 7, 2000

A: Click here.



Q: for how many years did the allosaurus live on earth
from ?; April 7, 2000

A: Allosaurus lived during the late Jurassic period, about 154 to 144 million years ago. For more information on Allosaurus, click here



Q: where can i find good pics of archyopterix?
from ?; April 7, 2000

A: For a printout of Archaeopteryx, click here. For a page on Archaeopteryx with a picture of a fossils and a reconstruction, click here.



Q: What was Ankylosaurs named after?? where did the ankylosaurus live?
from Tom L., Avon Lake, Ohio, USA; April 7, 2000

A: Ankylosaurus means "Fused, stiff, or bent Lizard," referring to to the bony plates fused into its skin. It was named by Barnum Brown in 1908. Ankylosaurus fossils have been found in the western USA (Montana) and Canada (Alberta). For more information on Ankylosaurus, click here.



Q: Were there more meat eating dinosaurs or plant eating dinosaurs discovered?
from sue p., southampton, pa, USA; April 7, 2000

A: There were many more plant-eating dinosaurs. For information on why this was so, click here.



Q: What are floso raptors
from ?; April 7, 2000

A: Velociraptors were small, meat-eating dinosaurs. For more information on Velociraptors, click here.



Q: I want to find a picture of a Wooly Mammoth.
from Charlie, Boise, ID, USA; April 7, 2000

A: For a page on the Woolly Mammoth, click here. For a printout of it, click here.



Q: How long did the Barosaurus Rule? What were its physical characteristics?
from Dominique S., St. Louis, MO, USA; April 6, 2000

BarosaurusA: Barosaurus lived during the late Jurassic period, about 156 to 145 million years ago. For more information on Barosaurus, click here.



Q: was the parasauroluphs a meat eater? is it all differnt colors? how many babies does it have in one year?
from kayla p., manalapan, NJ, USA; April 6, 2000

A: Parasaurolophus was a plant-eater. No one knows what color or colors Parasaurolophus was (or what color any of the dinosaurs were). No one knows how many eggs it laid in a year. For information on Parasaurolophus, click here.



Q: where was the supersaurus first found?
from karissa b, elmore, ohio, USA; April 6, 2000

A: The first Supersaurus fossil was found in western Colorado, USA, by paleontologist James A. Jensen in 1972 and was named in 1985. For more information on Supersaurus, click here.



Q: Are the public able to keep dinosaur fossils and bones?
from Kirsten M., Kirkland, WA, USA; April 5, 2000

A: Only if they you it on your own land. It gets very complicated when you find fossils on other people's property or on government land.



Q: when did the seismnosaurus live?
from ?; April 5, 2000

A: Seismosaurus lived during the late Jurassic Period, from 156-145 million years ago. For more information on Seismosaurus, click here.



Q: Why did dinosors and wooly mammoth become extinct?? (THIS IS FOR A SCHOOL PROJECT- PLEASE HELP!!)
from Victoria R, Salisbury, Wiltshire, England; April 5, 2000

A: Animals become extinct when they can not adapt to a changing environment. For example, the woolly mammoth is thought to have gone extinct from pressures due to climate changes at the end of the Ice Ages and even perhaps from human hunting. The mammoth couldn't survive in the warmer weather with human hunters 11,000 years ago.

The dinosaurs went extinct long before this (65 million years ago), perhaps as the result of an asteroid colliding with the Earth, which altered the climate drastically.



Q: where was the first dinosaur in the us found, and what was it.
from Cody s., mandan, md, USA; April 5, 2000

A: For informaiton on the first dinosuar fossils, found, click here.



Q: what do similar fossils found on different continents tell scientists about the way the earth may have looked millions of years ago
from ?; April 5, 2000

A: Eduard Suess was an Austrian geologist who first realized that there had once been a land bridge connecting South America, Africa, India, Australia, and Antarctica. He named this large land mass Gondwanaland (named after a district in India where the fossil plant Glossopteris was found). This was the southern supercontinent formed after Pangaea broke up during the Jurassic period. Suess based his deductions on the fossil plant Glossopteris, which is found throughout India, South America, southern Africa, Australia, and Antarctica. For information on continental drift, click here.



Q: how did the dilophosaurus lay their eggs, and take care of their babies I need this info for a school report due april 10th,2000.
thanks, brittany

from brittany t., douglasville, ga, USA; April 4, 2000

A: Dilophosaurus For more information on Dilophosaurus, click here.



Q: Who discovered Nothosaurs?
from Kathleen G., Bonham, TX, USA; April 4, 2000

A: Nothosaurs were named by G. von Meunster in 1834. For more information on Nothosaurs, click here.



Q: I'm doing a report I need this question by friday. What color is Nanotyrannus ?
from Jarkezzia H, Tallahassee, FL, USA; April 4, 2000

A: No one knows what color any of the dinosaurs were.



Q: A number of misconceptions surround the dinosaurs. List several that have been recently discovered. This was a question i receive in Geo class. Warmblooded?parenting? Im at a lose.
from christopher r.; April 3, 2000

A: For common dinosuar misconceptions, click here. For some recent dinosaurs, see the section on dinosuar news. For the questions of whether they were warm- or cold-blooded, click here. For reproduction (including parenting), click here.



Q: is the Apotasarus the same as Brontosarus?
from Jordyn H, Hanford, CA, USA; April 3, 2000

A: Yes. For information on Apatosaurus/Brontosaurus, click here.



Q: can u tell me where ca I find pictures and descriptions of trilobites, sponges, and bryozoa?
from jasmin f., boston, ma, USA; April 3, 2000

A: For information on trilobites, click here. For bryozoans, click here. For sponges, click here.



Q: Lambeosaurus is a cool dinosaur that i see in books, but theres no imfo on it, is there any way to find some?
from Billie M., Medford, OR, USA; April 3, 2000

A: For information on Lambeosaurus, click here.



Q: The Ankylosaurus did it live mainly on land and why did it live where it did?
from Andy W, Pgh, PA, USA; April 3, 2000

A: Yes, Ankylosaurus lived on land. Fossils of Ankylosaurus have been found in western North America; trackways have been found in South America. For more information on Ankylosaurus, click here.



Q: how ago long ago were dinosaurs on earth?
from marilyn m, Elizabeth, NJ, USA; April 3, 2000

A: Dinosaurs lived during the Mesozoic Era, from about 230 million years ago until 65 million years ago.



Q: Did the teradactyl fly and was it a dinosaur?
from lnicholson, Easton, MD, USA; April 3, 2000

A: Pterodactyls could fly but were not dinosaurs (but they were closely related to the diniosaurs). For information on Pterodactyls, click here.



Q: Is the Pteranodon really a dinosaur?!?!?!
from ?; April 2, 2000

A: No, but it was closely related to the dinosaurs. For information on Pteranodon, click here.



Q: what dinosaurs lived in the area that is now Florida?
from Thomas B., pembroke pines, FL, USA; April 2, 2000

A: No dinosaur fossils have been found in Florida. It was underwater during the time of the dinosaurs.



Q: what was a pre historic animal in texas
from greensboro, nc, USA; April 2, 2000

A: Acrocanthosaurus, Alamosaurus, Brontopodus, Camptosaurus, Chasmosaurus, Coelophysis, Deinonychus, Dimetrodon*, Edmontosaurus, Hypsilophodon, Iguanodon, Kritosaurus, Megatherium* (giant ground sloth), Ornithomimus, Panoplosaurus, Pleurocoelus, Protohadros byrdi, Quetzalcoatlus*, Shuvosaurus, Stegoceras, Technosaurus, Tenontosaurus, Texascetes, and Torosaurus, Tyrannosaurus rex.



Q: We are doing a project on the Revueltosaurus and we cant find any information. Where can we find some?
from Chris P., Spokane, WA, USA; April 1, 2000

A: Not much is known about it; only seom teeth have been found. For information on Revueltosaurus, click here.



Q: How can I find information on a dinosaur named Scelidosaurus?
from Kati M., Truro, IA, USA; April 1, 2000

A: For information on Scelidosaurus, click here.




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