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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 Early August 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: Can you give me a list of site that they allow young children to participate in digs?
from Emma G., Santa Rosa, CA, USA; August 14, 2001

A: I don't know of any that allow young children. For a page of dinosaur digs, click here.



Q: Information about Megladon sharks please.
from Candy W, Naples, Florida, USA; August 14, 2001

A: For a page on the ancient shark megalodon, click here.



Q: I want to know all about the preteradon.
from Abu Sofian, singapore, Singapore, Singapore; August 13, 2001

A: For a page on Pteranodon, click here.



Q: How many eggs did dinosaurs lay at one time??? 20? 30? 5 or 10???
from Frieda Mak, ?, ?, ?; August 13, 2001

A: It varied by species. For a page on dinosaur eggs and reproduction, click here.



Q: Did dinosaurs live in groups???
from Frieda M., ?, ?, Singapore; August 13, 2001

A: Some types of dinosaurs lived in herds - their fossils have been found in bonebeds in which many dinosaurs of the same species were found together. Some herding dinosaurs included Maiasaura, Styracosaurus, Hypsilophodon, Coelophysis, etc.



Q: How did dinosaurs die? Is it because of weather climate???
from Frieda M., ?, ?, Singapore; August 13, 2001

A: Most types of dinosaurs died in background extinctions (they couldn't adapt to changes that happened, like new competition from other animals, new predators, loss of food sources, disease, climate changes, etc.). Others died in mass extrinctions, when major changes occurred (from major tectontic activity, asteroid impact, etc.) and many groups went extinct around the same time. The last of the terrestrial dinosaurs went extinct around 65 million years ago in the K-T extinction, probably caused by an asteroid hitting the Earth.



Q: what are all the names of the dinosaours
from Rikki-lee.S, Adelaide, South Australia, Australia; August 13, 2001

A: For all the known dinosaur genera, click here (that is just the "A" page, click on the letters at the top of that page for the other letters).



Q: what were the scientists called that studied dinosaurs
from eve p, ballarat, ?, ?; August 12, 2001

A: Paleontologists study ancient life, including dinosaurs.



Q: looking for info on the wooly mamouth
from sue, pembroke, ma, usa; August 12, 2001

A: For a page on the woolly mammoth, click here.



Q: Could you add some more information about Dryptosaurus[Laelaps]
from ?, ?, ?, ?; August 11, 2001

A: For a Dryptosaurus fact sheet, click here.



Q: How did Pteranodons look like and did they live at the same time the T Rex did?
from Andre W, Chicago, Illinois, USA; August 10, 2001

A: Pteranodon lived during the late Cretaceous period, the same time that T. rex lived.



Q: I asked if any dinosaurs had been found in CA and you said no,but i went on Discovery.com and it said that Nodosaurus & Icthyosaurus had. Which do you think is true?
from Graham B., San Diego, CA, USA; August 10, 2001

A: Ichthyosaurs was not a dinosaur - it was a marine reptile (it looked a bit like a dolphin) that lived during the time of the dinosaurs. No dinosaurs lived in California because most of California was underwater during much of the Mesozoic Era (when the dinosaurs lived). Only a few fragments of dinosaur bones (including a Nodosaur fragment and a few isolated hadrosaur bones of unidentified genera) have been found in California - these dinosaurs probably drowned elsewhere and were washed down river into the sea (which is now California) since these fossils are encrusted with marine organisms that lived on them during the Cretaceous period. For a list of dinosaur finds listed state by state, click here.



Q: In the land before time, one of the mum brontasorusis is about 100. How old were the mums and dad brontosorusis really. This is my favourite website.
from James, Aged 5, Martha's Vineyard, USA; August 10, 2001

A: No one knows exactly how old dinosaurs got to be, but it is estimated that the large sauropods, like Brontosaurus (now called Apatosaurus), probably got to be about 100 years old.



Q: What Length, Weight and Height is a Corythsaurus the Dinosaur
from candice, vic, mel, mel; August 10, 2001

A: Corythosaurus was about 30-33 feet (9-10 m) long, 6.6 feet (2 m) tall at the hips, and may have weighed up to 5 tons.. Click here for more informationon Corythosaurus.



Q: Where is the place where I can ask question on Brett Surman and Dr. Tom holtz?I've checked the sectoin and there wasn't any click here to ask a question?
from Donovan c., ?, singapore, ?; August 10, 2001

A: They were only answering questions during July, 2001.



Q: In what periods did the dinosaurs first appear and when did they disappear?
from ?, ?, ?, ?; August 10, 2001

A: Dinosaurs appeared during the Triassic period (about 230 million years ago) and the last of the dinosaurs went extinct during the late Cretaceous period (about 65 million years ago during the K-T extinction).

Dinosaur timeline




Q: CAN YOU GIVE ME SOME INFORMATION ON THE UTAHRAPOR?
from LUKE B, MILLTHORPE, NSW, AUSTALIA; August 9, 2001

A: For a page on Utahraptor, click here.



Q: where did lipruelodon lve and is it bigger than mososaurs? thanx
from kerry, ?, ?, scotland; August 9, 2001

A: Liopleurodon fossils have been found in England, France, Germany, and parts of Eastern Europe (which used to be shallow seas). Liopleurodon was about 39-49 ft (12-15 m) long); it is the biggest-known plesiosaur. Even bigger was Mosasaurus, the biggest-known mosasaur; it was from 40-59 ft. feet (12.5-17.6 m) long.



Q: What is the maximum heighth of a veloceraptor?
from Nicole S., New Philadelphia, Ohio, United States; August 9, 2001

A: Velociraptor was up from 5 to 6 feet (1.5-2 m) long and 3 ft (1 m) tall at the hips.



Q: Which is bigger? The Carcharodontosaurus saharicus or the Giganotosaurus carolinii?
from Marion C., Quezon City, none, Philippines; August 9, 2001

A: Giganotosaurus [13.5-14.3 m long] may have been slightly longer then Carcharodontosaurus [8-14 m long], but this is not all at certain; only one incomplete Carcharodontosaurus fossil is available for measurement - not much of a population sample.



Q: How tall IS A BRONTOSAURUS?
from Kaitlyn H. & Quothia w., Citrus Heights & Orangevale, CA, U.S.A.; August 9, 2001

A: Brontosaurus (now called Apatosaurus) was about 70-90 feet (21-27 m) long and about 10-15 feet (3-4.6 m) tall at the hips. For more information on Apatosaurus/Brontosaurus, click here.



Q: I watched the land before time with my dad again yestaday and he said that dinosors had rubber bones and that was why the bronosorusis could walk on tree branches. I said they didn't. Is it true. Also petey is my favourite and he is a terrodacal.
from James age 5, The vinyard, ?, USA; August 9, 2001

A: The dinosaurs had bones that were made from the same material as our bones (mostly hard calcium phosphate plus a slightly flexible collagen matrix) - not rubber. Brachiosaurus did NOT walk on tree branches.



Q: Was the Eoraptor Lunensis a true dinosaur, or just a close relative of the dinosaurs?
from Lauren W, Riddells Creek, Victoria, Australia; August 8, 2001

A: Most paleontologists take Eoraptor to be a very early dinosaur.



Q: What natural disasters happened during the Triassic Period???
from heather, ?, ?, ?; August 8, 2001

A: The Triassic period ended with a mass extinction accompanied by huge volcanic eruptions about 208-213 million years ago. The supercontinent Pangaea began to break apart. 35% of all animal families die out, including virtually all labyrinthodont amphibians, conodonts, and all marine reptiles except ichthyosaurs. Most synapsids, which had dominated the Permian and early Triassic, went extinct (except for the mammals). Most of the early, primitive dinosaurs also went extinct, but other, more adaptive dinosaurs evolved in the Jurassic.

No one is certain what caused this late Triassic extinction; possibilities include global cooling or an asteroid impact. A 210 million-year-old meteor cratersurrounding Manicouagan Reservoir, Quebec, Canada, may be the remains of the culprit.



Q: What dinosaurs are found in California?
from Graham B., San Diego, CA, USA; August 8, 2001

A: No dinosaurs lived in California. For a list of dinosaur finds listed state by state, click here.



Q: What is the name of the major extinction that proceeded the Mesozoic Era?
from Sam S, T'ville, QLD, Australia; August 8, 2001

A: That was the Permian Extinction (which occurred about 248 million years ago); it was the biggest mass extinction ever.



Q: During what period did the huge sauropod dinosaurs live?
from Sam S, T'ville, QLD, Australia; August 8, 2001

A: Most of the enormous sauropods lived during the Jurassic period.



Q: Were dinosaurs in all areas of what is now the United States?
from Donna F., Long Beach, California, USA; August 8, 2001

A: No, some parts of what is now the USA were underwater when the dinosaurs lived (the Mesozoic Era). During this time, the Earth was warmer and there was no polar ice, so the sea level was higher. This left parts of the USA a shallow sea.



Q: Is it true that T. rex's closest realtive is a chicken?
from Nikki P, Macon, Georgia, USA; August 8, 2001

A: T. rex's closest relatives were other tyrannosaurids (meat-eating dinosaurs with small arms and two-fingered hands). Since the birds evolved from the dinosaurs, birds are the closest living relatives to the dinosaurs.



Q: What colour was the Brachiosaurs' and what did they eat?
from Tammy Z, Brisbane, Queensland, Australia; August 7, 2001

A: No one knows what color Brachiosaurus was. It was an herbivore (a plant-eater) that probably ate leaves from the tops of trees.



Q: In the land before time, petey can lift the baby brontosorus and he is only a baby teradactil as well. How come they were so strong? Also can you show me a picture of a real teradactil becos they are only cartoons and i am shure they looked different. Were they green?
from James age 5, Tisbury, Marthas Vineyard, USA; August 7, 2001

A: Pterodactylus grew to have a wingspan of up to about 2.5 to 3.1 foot (0.75 - 1 m) wide wingspan. It could no pick up a baby Apatosaurus (Brontosaurus is now called Apatosaurus). For a page on Pterodactylus, click here.



Q: I love your website!! You have every dinosaur I could ever think of! Can you tell me a website that has lots of information like yours? ( I'm the same kid who wrote that my favorite dinosaur was Velociraptor and I wanted some information on them.)
from ?, ?, ?, ?; August 7, 2001

A: Thanks - for a page of dinosaur links, click here.



Q: My favorite dinosaur is Velociraptor. But I can't find any information on them. Can you tell me where I can find information on them? Please tell me today!! Thanks.
from ?, ?, ?, ?; August 7, 2001

A: For a page on Velociraptor, click here.



Q: in jurrassic park there is a dinosaur that is reffered to as a spitter. What is the name of this dinosur and where can i find a picture of it?
from kim f, san marcos, ca, us; August 6, 2001

A: That was Dilophosaurus, but it wasn't a spitter in reality. For information on Dilophosaurus, click here.



Q: Name all the adaptions for locomotion for Reptilia.
from Magdalena P, Johannesburg, Gauteng, South Africa; August 6, 2001

A: Most walk, some slither (like snakes and legless lizards), some glide, some swim (like Ichthyosaurs), and some fly (like pterosaurs).



Q: My dad got me the land before time video. Were teradactils really freinds with brontasorusis in real life?
from James age 5, Tisbury, Marthas Vineyard, USA; August 6, 2001

A: Not any more than a bird would be the friensd of a cow.



Q: Are there any dinosaurs that have only been found in Australia? If there are what are they called?
from Sharon G, Darwin, Northern Territory, Australia; August 5, 2001

A: Yes, including Atlascopcosaurus, Austrosaurus, Fulgurotherium, Kakuru, Leaellynasauria, Minmi, Muttaburrasaurus, Ozraptor, "Qantassaurus," Rapator, Rhoetosaurus, Timimus, Walgettosuchus. For a page on dinosaur fossils from Australia, click here.



Q: how big was a veloso raptor
from patrick w, mukwonago, WI, USA; August 4, 2001

A: Velociraptor was about 5 to 6 feet long (1.5-2 m), and 3 feet tall (1 m). It may have weighed about 15 to 33 pounds (7 to 15 kg).. For more information on Velociraptor, click here.



Q: How many Therizinosaurs have been found?
from Steve K., Louisville, Ohio, The United States of America; August 4, 2001

A: Therizinosaurs include: Therizinosaurus cheloniformis, Alxasaurus elesitaiensis, Beipiaosaurus inexpectus, Erlikosaurus andrewsi and Segnosaurus galbinensis.



Q: Were was Minmi Found?
from Tom Alo, Bayside, Vic, ?; August 4, 2001

A: The dinosaur Minmi was found in the Bungil Formation, near Roma, Queensland, Australia.



Q: Was Kronosaurus the largest plisiosaur?
from Max .S, Newburyport, Mass, U.S.; August 3, 2001

A: The biggest known plesiosaur is Liopleurodon (Kronosaurus used to be the biggest known).



Q: What dinosaur in 1871 did professor Marsh dicover?
from ?, Topeka, Kansas, USA; August 3, 2001

A: For a list of all the dinosaurs Marsh named (quite a long list), click here.



Q: In the movie, Jurassic Park, they got Dino DNA from a mosquito. Do you think that it could be preserved for that long. Have you ever found anything like that???(Please answer today)Thanks!!
from Nicole F, Lake Dallas, Texas, USA; August 3, 2001

A: Most biologists agree that DNA, which is relatively fragile, would not be stable for many millions of years (the last of the dinosaurs died out 65 million years ago). Even if dinosaur DNA could be found in a mosquito encased in amber, the DNA would be too degraded to clone a dinosaur.



Q: How long ago did dinosours live?
from Jordan S., Coldwater, Michigan, U.S.a.; August 3, 2001

A: The dinosaurs lived from about 230 million to 65 million years ago.

Dinosaur timeline




Q: how many dinosaurs lived back then
from timothy.A, moreno valley, california, united states; August 3, 2001

A: No one knows what dinosaur population figures were, or even how many genera (genera is the plural of genus) or species there were. Almost 1,000 genera of dinosaurs have been found, but these are probably only a fraction of those that existed. Also, most genera were probably represented by many, many species, and each species had unknown population numbers.



Q: Are you aware that on our mosasaur fact sheet you say tylosaurus was the biggest mosasaur at thirty-three feet in length? The biggest in reality was mosasaurus at 58 ft in length.
from Po mouse, aqua, moose town, foffoo; August 3, 2001

A: No, it does not say that. It says, "Tylosaurs (including Mosasaurus and Hainosaurus) were the largest mosasaurs." Mosasaurus is a type of tylosaur - it belongs to the Subfamily Tylosaurinae, as does Tylosaurus. I've fixed the length figures, which were outdated.



Q: Could you add more info on Eustreptespondylus, please? Thanks!
from Max S., Newburyport, Mass, U.S.; August 3, 2001

A: We've just added a Eustreptospondylus fact sheet - click here.



Q: Professer Marsh in Kansas discovered what dinasour in a chaulk quary?
from April B., Topeka, Kansas, USA; August 3, 2001

A: Othniel Marsh named Claosaurus agilis (Marsh, 1872) (originally called Hadrosaurus), Nodosaurus textilis (Marsh, 1889), both of which were found in the Niobara Chalk Formation in Kansas (many of Marsh's fossils were found by his fossil collectors).



Q: Could you please add a lot more info about Therizinosaurus? I'm very interested. Thanks!
from Max S., Newburyport, Massachusetts, U.S.; August 2, 2001

A: We've just added a Therizinosaurus fact sheet - click here.



Q: How big was Barryonix Walkeri and have any other examples of this species been found since Barry Walker found it some years ago?
from Matt, Worcester, The Midlands, England; August 2, 2001

A: Baryonyx walkeri was found by William Walker (the species name walkeri was given to honor Wm. Walker). Bary in the dinosaur's name means heavy in Greek. Only one partial skeleton has been found (in Surrey, England).



Q: I recently attended a talk given by a doctor of physics. Part of what he said spoke of a flaw in carbon dating which meant that not only was it unreliable, but probably completely wrong. He suggested that some dinosaurs may in fact have lived at the same time as humans and that most of life on earth may have been wiped out by a great flood caused by a meteor which would account for the different layers of sediment between humans and dinosaurs. He said that this could have been the flood described in the bible (Noah etc). Is this remotely possible and are there problems with carbon dating?
from Matt, Worcester, The Midlands, England; August 2, 2001

A: The main problem with carbon dating is the existence of cranks who dislike science and would rather return to a more medieval way of life. Carbon dating is based on basic physics - isotopes of elements decay into more stable forms over time (there have never been any irregularities observed in the process of radioisotope decay). There is nothing in doubt about radioisotope decay - it's as inevitable as death, taxes, and the lunatic fringe.



Q: I recently watched Jurassic Park 3 and although I know it is poetic licence I was intrigued to see the extreamly brief fight between the Spinosaurus and the TRex and the Spinosaurus won (looked like it cheated to me). I know they probably lived at opposite ends of the earth but if they had actually met in real life, who would have won?
from Matt, Worcester, The Midlands, England; August 2, 2001

A: Not only did they live in different lications, they were also separated by millions of years. I don't know who would have won - they were pretty evenly matched and would probably both damage each other quite a bit (although Spinosaurus might have been a bit larger than T. rex).



Q: are crocodiles and alligaters related to dinosaurs
from nicky O, bolton, ?, england; August 1, 2001

A: Yes, they are all archosaurs (a type of reptile), but the crocodilians evolved even earlier than the dinosaurs (see the cladogram below).

Reptilia cladogram




Q: Your site says that Carcharadontasaurus was the 4th largest carnavore. But I've read that it larger than T.Rex. If I'm wrong then tell me. And am I anoiing you by saying that I think your site is inacurrate. Because if you want, I'll stop. Thanks!
from Max S., Newburyport, Massachusetts, U.S.; August 1, 2001

A: We've never put the largest theropods in order - we just list the largest theropods - the order is arbitrary. The reason for this is that the exact length of any of these genera is not known. For example, Carcharodontosaurus and Spinosaurus are known only from a few incomplete skeletons. Bahariasaurus is known from even skimpier remains.



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