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Zoom Dinosaurs
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By Date By Type of Dinosaur General Dino. Qns. Qns. About Other Animals Geological Era Qns.

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May-Oct. 2002
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Questions from late May 2001
Please check the
Top Sixteen Dinosaur Questions
and the
Dino and Paleontology Dictionary first!

What does the word dinosaur mean?
What does saurus mean?,
What does deinos mean?

What color were the dinosaurs?

How (and when) did the dinosaurs go extinct?
How many dinosaurs were there?
What was the biggest dinosaur? What was the smallest dinosaur? Which dinosaur was the largest meat-eater? Were there more plant-eaters or meat-eaters?
How many teeth did T. rex have (and how big were they)? What is the oldest dinosaur ever found? What was the first dinosaur ever found?
Did birds evolve from the dinosaurs?

Were there any flying dinosaurs?

Were there any swimming dinosaurs?
How do you know what the enemies of a dinosaur were? What kind of habitats did the dinosaurs live in?

Q: What medium size dinosaurs were swimmers?
from Samantha S., Fairfield, California, USA; May 31, 2001

A: No dinosaurs lived in the water. Plesiosaurs, Mosasaurs, Ichthyosaurs, Nothosaurs, and other reptiles lived in the seas during the time of the dinosaurs.


A: Click here.

Q: my dads taking us all across the usa in our van. can we see places where dinosors used to live in america? we are going to go to california and utah and south dakota and indiana. thankyou
from Jennifer F, Lompoc, CA, USA; May 31, 2001

A: For a list of good dinosaur museums and parks, click here.

Q: What dinosaurs lived in Oregon?
from Rebecca C, Fort Sheridan, Illinios, USA; May 31, 2001

A: An unnamed hadrosaur (duck-billed dinosaur) was found in Oregon. Click here for dinosaurs found in each state.

Q: What are the different types of dinasours and what are their names?
from Angela R., London, KY, US; May 31, 2001

A: Click here.

Q: What do dinosuars eat
from Hunter Lyon, ?, ?, ?; May 31, 2001

A: Click here.

Q: what geologic period did dinosuars becomes extinct
from christine h, philadelphia, pa, united states; May 30, 2001

A: They went extinct at the end of the Cretaceous period during the K-T extinction.

Q: What is the order of the Hadrosaurus?
from alex m, richmond, va, usa; May 30, 2001

A: Hadrosaurus belonged to the order Ornithischia.

Q: Is there a dinosaur called a terdactil? and is so Where can i find information on teradactil's?
from ashley n., mission viejo, california, usa; May 30, 2001

A: For information on Pterodactyls (flying reptiles that lived during the time of the dinosaurs), click here.


A: There's the Cenozoic (65 million years ago until now), the Mesozoic (248-65 mya), and the Paleozoic (540 to 248 mya) (before this, the eras are not named). For a chart of geologic time, click here.

Q: from what dinosaur did the kangaroo evolved from?
from ?, ?, ?, ?; May 29, 2001

A: None, the kangaroo is a mammal and mammals did not evolve from the dinosaurs. Mammals evolved from pelycosaurs, mammal-like reptiles that lived before the time of the dinosaurs. Mammals evoled around the same time the dinosaurs evolved, during the Triassic period.

Q: How long ago did dinosaurs live?
from ?, ?, ?, ?; May 29, 2001

A: The dinosaurs lived from about 135 million years ago until about 65 million years ago, during the Mesozoic Era.

Q: What is an Oviraptor?
from Todd S-C, Adelaide, South Australia, Australia; May 30, 2001

A: Click here for a page on Oviraptor.

Q: How many dinosaurs in the WHOLE WIDE world?
from Stephanie D., Fremont, Ohio, U.S.A.; May 30, 2001

A: No one knows exactly howmany dinosaurs there were (either the number of species or the number of individuals). There are about 1,000 known genera, and many mnore species.

Q: my question is how do you now if dinosaurs are male or female or something else?
from stephanie a., perth, western austraila, austraila; May 29, 2001

A: Click here.

Q: What did the T.rex like to eat the most out of the plant eaters
from Katie Smith, Ohio, ?, ?; May 29, 2001

A: T. rex's favorite meal isn't known, but it is known that it did eat Triceratops (some ground-up frill bone was found in T. rex dung).

Q: What type of dinosaurs were in Nevada?
from Chakia, Miami, Florida, United States; May 29, 2001

A: No dinosaurs have been found in Nevada. Click here for dinosaurs found in each state.

Q: How big is the utahraptor?
from kyle .H, middletown, Ohio, north amrica; May 29, 2001

A: Utahraptor was about 20 feet long (6.5 m) and may have weighed about 1 ton.

Q: what are the three main types of mammles?
from becky, lebanon, pa, usa; May 29, 2001

A: There are monotremes, marsupials, and placental mammals. For more information on mammals, click here.

Q: i need all the information you have on how the deinonychus died!please hurry this is due tomorrow!thanx
from flaka, mia, fl, ?; May 28, 2001

A: Like most dinosaurs, Deinonychus did not die out in a mass extinction. This common type of extinction is called a background extinction.

Q: How did the Brontosaurus protect himself from other dinosaurs?
from Samantha Manson, Ranfurly, Central Otago, NZ; May 28, 2001

A: Brontosaurus (now called Apatosaurus) was huge - that was its primary defense. It also had a whip-like tail that may have been used for defense and some foot claws.

Q: was allosaurus a good mother?
from alex n., tewksbury, mass, u.s.a; May 28, 2001

A: In order to determine whether or not a fossilized animal nurtured its young, fossil evidence of this must be found. On good type of evidence is finding fossilized eggs in nests with adults and hatchling nearby. This has not been found for Allosaurus, so it is not known whether or not it cared for its young.

Q: What order was the stegosarus in
from Shareem H, Richmond, Virginia, United States; May 28, 2001

A: Stegosaurus belonged to the order Ornithischia (the so-called bird-hipped dinosaurs). For more information on Stegosaurus, click here.

Q: Which animals evolved from dinosaurs?
from Andriette.G., Pretoria, ?, South Africa; May 28, 2001

A: The birds evolved from the dinosaurs.

Q: can you please help me on getting information on the kt mast extinction!please hurry and give me this information as soon as possible!I really need this so please hurry!thanx alot!
from stephanie, ?, ?, ?; May 28, 2001

A: Click here.

Q: Where there ever any dinosaurs in Virginia and if so what kind and where?
from Don B, Richmond, Virginia, ?; May 27, 2001

A: No dinosaurs have been found in Virginia. Click here for dinosaurs found in each state.

Q: Hi there. I would like to know more about one gigantic aquatic monster called Cacharodon Megalodon. I read somewhere that it's almost 70 feet long! And it's modern day cousins are the Great White Sharks. I wonder how it would look like.
Are there any websites with more information on these creatures? I'm real interested in finding out more about them.
Have a nice day ..

from Steven L., ?, ?, Singapore; May 27, 2001

A: Click here.

Q: I am doing a report on the Styracosaurs and I can't seem to find any information on how much they weigh! So I was wondering if you could get me information on how much they weigh.
from Tonia B., Zeeland, Michigan, US; May 26, 2001

A: Styracosaurus may have weighed roughly 3 ton.

Q: Can you tell mey what the corythosaurus nests or eggs looked like?
from Kyle C, Sterling Heights, MI, USA; May 26, 2001

A: Neither nests nor eggs from Corythosaurus have been found.

Hypacrosaurus is another duck-billed dinosaur that is very much like Corythosaurus (it may even be the same genus as Corythosaurus). A nest that may have belonged to Hypacrosaurus was found in Devil's Coulee, near Alberta, Canada. The nest had eight large, round eggs plus the bones of duck-bill embryos, probably those of Hypacrosaurus. The cantaloupe-sized eggs were laid in rows and were probably covered with sand and plant material.

Q: What is the Wooly Mommouths' scientific name?
from Lauren F., Pickerington, Ohio, United Stqates of America; May 26, 2001

A: The woolly mammoth's genus and species are Mammuthus primigenius. For more information on the woolly mammoth, click here.

Q: What are the seven classification of the Diplodocus
from John t., Independence, Missouri, United States of America; May 25, 2001

A: Click here and scroll down to the section called "Classification."

Q: My teacher told us we have until Monday to find out how big a dinosaurs tounge is, (any dinosaur is fine), have there been any tounges found, or an estimated guess of how long one would be? PLEASE HELP I ONLY HAVE 3 DAYS!!!!!!!
from Raven B., Harrison, OHIO, USA; May 25, 2001

A: I've never heard of any fossilized tongues being found. Since dinosaurs ranged in size from the size of a cicken to bigger than a house, their tongues must have ranged in size considerably also.

Q: can you please give me informatoin about the cretaceous period!please hurry because i need to do my project on this!thanx
from shorty, mia, fl., ?; May 25, 2001

A: Click here for information on the Cretaceous period.

Q: What is the order of a Supersaurus?
from katie d., Katanning, Western australia, Australia; May 25, 2001

A: Supersaurus belonged to the order Saurischia (bird-hipped dinosaurs).

Q: Name 1 Dino that had feathers?
from Mario Pardi, San Diego, CA, U.SA; May 24, 2001

A: Sinosauropteryx and Caudipteryx

Q: How many chambers did the Tyrannosaurus rex's heart have?
from ?, ?, ?, ?; May 24, 2001

A: No one knows; no fossilized T. rex heart has been found.

Q: i need all the information you have on the DEINONYCHUS dinosaur as soon as possible
from melissa g., miami, fl., ?; May 24, 2001

A: For information on Deinonychus, click here.

Q: what group is the dinosaur protoceratops from?
from Cassie O, Bethel Park, Pennnsylvania, USA; May 24, 2001

A: Protoceratops was a ceratopsian (plant-eating dinosaurs with horns/frills) and an ornithischian (so-called bird-hipped dinosaurs).

Q: How many years did dinosaurs live on earth
from rheanah j, long branch, new jersey, united states; May 24, 2001

A: The dinosaurs lived from about 230 million years ago until 65 million years ago (they lived about 165 million years).

Q: have you got any information of the centosaurus?
from Adawiah A, Katanning, Western Australia, Australia; May 23, 2001

A: For information on Centrosaurus, click here.

Q: Who was bigger the ultrasaurus or the supersaurus?
from katie d., katanning, western australia, Australia; May 23, 2001

A: Ultrasauros was heavier but Supersaurus was longer.

Q: where there any dinosaurs found in Wisconsin?
from ?, ?, ?, ?; May 23, 2001

A: No dinosaurs have been found in Wisconsin.

Q: what period did Tyranno saurus rex live in?
from kristin, leominster, massachusetts, America; May 23, 2001

A: Tyrannosaurus rex lived during the late Cretaaceous period.

Q: Why is the triceratop classified as an ornithischian dinosaur when its pubis bone points forward?
from Dave M, Columbus, OH, USA; May 23, 2001

A: The pubis in Triceratops points backwards, parallel with the ischium.

Q: what is special about a diplodcus?
from ?, ?, ?, ?; May 23, 2001

A: Diplodocus was a huge dinosaur with a long neck and a whip-like tail. For more information on Diplodocus, click here.

Q: how long ago did the t-rex become extinxt?
from laura.v, cornwall, ontario, canada; May 23, 2001

A: T. rex went extinct 65 million years ago in the K-T mass extinction.

Q: What does Edmontosaurus mean?
from Melissa P, Edmonton, Alberta, Canada; May 23, 2001

A: Edmontosaurus means "Edmonton [rock formation] llizard" because it was found in that rock formation in Canada. For more information on Edmontosaurus, click here.

Q: When did the T rex live? In which geological time period?
from cathy o, melbourne, victoria, australia; May 23, 2001

A: T. rex lived during the late Cretaceous period, from about until 85 - 65 million years ago.

Q: i have to construct a timeline of extinced animals can yu hel me
from natalie.j, australia, south australia, australia; May 22, 2001

A: Click here for a chart of geologic time that lists when many of the animals evolved.

Q: what dinosaur did the rhino evoveled out of?
from Daniel Macgline, ny, ny, u.s; May 22, 2001

A: None. The rhinoceros is a mammal and mammals did not evolve from the dinosaurs (the birds are the living descendants of the dinosaurs). Mammals (including the rhino) evolved from pelycosaurs, mammal-like reptiles that lived before the dinosaurs evolved (mammals evolved during the Triassic period, about the same time as the dinosaurs evolved).

Q: During what span of time was teh protoceraptor alive?
from Carrie O., midlothian, virginia, america; May 22, 2001

A: Protoceratops lived during the late Cretaceous period, about 86 to 71 million years ago.

Q: Were Parasaurolophus dinosaurs cold-blooded or warm-blooded?
from Jazmia R., Richmond, Virginia, United States; May 22, 2001

A: No one knows. For information on Parasaurolophus, click here.

Q: I am doing a Report on Dinosaurs for mega marks; I'[m really curious of *Who discovered that Dinosaurs ever existed?
from Janelle.G, Wilkie, Saskatchewan, Canada; May 21, 2001

A: Click here for a page on the earliest dinosaur discoveries.

Q: what is one of the oldest dinosaurs?
from ?, ?, ?, ?; May 21, 2001

A: Eoraptor and two as yet un-named prosauropods from Madagascar are the oldest so far.

Q: Is Packyceypholosaurus a meat eater or plant eater?
from Alexia, ?, NJ, ?; May 21, 2001

A: Pachycephalosaurus was a plant-eater.

Q: Any information on "Eric" the pliosaur?
from kylie j., sydney, NSW, Australia; May 21, 2001

A: "Eric" is a 85 percent complete opalized leptocleidine pliosaur (a marine reptile) from the early Cretaceous in Australia (it was named to honor Eric Idle of Monty Python, the television comedy show). Eric the pliosaur was a marine carnivore (meat-eater) that was about 6.5 ft (2 m) long. Fish back bones (and gastroliths) were found in the stomach area of this fossil, so it likely ate small fish, catching them in its crocodile-like jaws.

Q: Were all dinosaurs huge?
from LeiaNNe, Melbourne, Victoria, Australia; May 20, 2001

A: No, the dinosaurs ranged in size from chicken-sized to bigger than a house.

Q: IS there a Dinosaur named scelidosaurus and if so what does scelidosaurus mean? I have to know it for a science project
from Allison H, Brandon, Mississippi, America; May 20, 2001

A: Yes. Scelidosaurus means "limb lizard."

Q: What kind of foods did the Iguanodon eat; how often;how much; what other animals competed for the same food supply?
from evan b, ?, ?, ?; May 20, 2001

A: Iguanodon was a plant-eater. It probably ate cycads, ferns, and other prehistoric plants with its tough, toothed beak. How much it ate is unknown because it's type of metabolism is unknown (if it maintained a constant internal temperature, like we do, then it would have to eat substantially more than if its temperature depended on the outside temperature). For other plant-eating dinosaurs that may have competed with Iguanodon for food, click here and look for other plant-eaters that lived in the same time (the early Cretaceous period, about 135-125 million years ago) and same place (Europe, North Africa, and North America).

Q: what color are dinos
from ?, waverly, ohio, u.s; May 20, 2001

A: No one knows. For more on this topic, see the faq's above.

Q: What dinosaurs lived in the cenozoic era?
from Moe, Orlando, Florida, USA; May 20, 2001

A: Most of the remaining terrestrial dinosaurs went extinct 65 million years ago, just as the Mesozoic Era ended and the Cenozoic Era began. One duck-bill fossil has been found that dates from the very early Cenozoic (from roughly 64-58 million years ago).

Q: What dinosaur eats both meat and plants?
from claire kositzky, ?, ?, ?; May 20, 2001

A: Oviraptor was one of the omnivorous dinosaurs.

Q: for approximately how many years have the dinosaurs been instint
from mark h, mankato, mn, us; May 19, 2001

A: About 65 million years.

Q: What Dinosaurs were in Minnesota?
from Bob L., Mason, OH, U.S.A.; May 19, 2001

A: A hadrosaur (a duck-billled, plant-eating dinosaur) has been found in Minnesota. Click here for dinosaurs found in each state.

Q: What was the first dinosaur to go to space?
from ?, ?, ?, ?; May 19, 2001

A: A Maiasaura bone fragment and a piece of eggshell from Maiasaura flew with astronaut Loren Acton on an 8-day mission (Spacelab 2) in 1985. This was the first dinosaur in space. The historic Maiasaura fossils now reside at the Museum of the Rockies in Bozeman, Montana, USA.

Q: what kind of dino is the smartest
from ?, ?, ?, ?; May 18, 2001

A: The Troodontids (like Troodon) had the largest brain to body mass ratio.

Q: What animal is bigger than any dinosaur?
from Christy T, Valier, Montana, ?; May 18, 2001

A: The blue whale is more massive than any dinosaur.

Q: name two dinosaurs known for their name after a person?
from ?, ?, ?, ?; May 18, 2001

A: Lambeosaurus and Janenschia (there are many more).

Q: What was the first dinosaur to be named scientifically?
from ?, ?, ?, ?; May 18, 2001

A: Megalosaurus was the first dinosaur to be named. For more information on the first named dinosaurs, click here.

Q: Me and some are doing a science project on Ornitosuchus, but, we cant find hardly anything. We would like to know the habitat it lived in where it lived(in the world), a special feature and a most interesting fact. Thanks alot Buffalo Gaps Freshman class. 2004!!
from Len P., Mt.Solon, Virginia, United States; May 17, 2001

A: Click here.

Dinosaur legs: upright position

Other reptiles: Sprawling legs
Q: Did dionsaurs legs sprawl out to the side or extended straight down?ASAP!
from la, lb, nj, usa; May 17, 2001

A: They extended straight downwards.

Q: what is the oldest dinosaur?
from ?, ?, ?, ?; May 17, 2001

A: The oldest dinosaurs are prosauropods from Madagascar - they date from about 230 million years ago.

Q: My assignment is to find the state dinosaur of indiana can you help me
from Kyle E., new castle, IN, USA; May 16, 2001

A: Indiana doesn't have a state dinosaur (no dinosaur fossils have been found in Indiana). For Indiana state symbols, click here.

Q: what do pterodactyls eat?
from Alicia T, hamilton, ontario, canada; May 16, 2001

A: Pterodactlys were carnivores (meat-eaters). THe various Pterodactyloids ate fish (which they caught at the surface of the oceans), mollusks, crabs, perhaps plankton (for some species), insects, and scavenged dead animals on land.

Q: Who found the tyrannosaurex?
from ?, ?, ?, ?; May 16, 2001

A: The first Tyrannosaurus rex fossil was discovered by the famous fossil hunter Barnum Brown in 1902. Click here for more information.

Q: I am doing a report on the Megalosaurus dinosaur and need to know if they lived in herds or lived alone. Also did they hunt alone or with 1 or 2 other dinosaurs? Thank you.
from Monica H, Chesterfield, Virginia, USA; May 16, 2001

A: No bone beds of Megalosaurus have been found, so it isn't known if lived or hunted in packs.

Q: what era was the rhamphorynchus found
from sanmeet.s, rockville, md, usa; May 16, 2001

A: Rhamphorhynchus lived during the Mesozoic Era.

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