| Subject | Date Asked | Expert |
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| A couple of questions | 7/9/2009 | David Prus |
Q: 1) how can scientists say that troodon was the smartest without having the brain or seeing how it ...
A: 1) Intelligence often depends on the ratio of brain size to body size. Troodon has the largest brain ...
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| Crocodilians "cold-blooded" as a secondary adaptation? | 7/9/2009 | David Prus |
Q: Many thanks for your answer about Ornithosuchus, which makes things much clearer! I knew I had to ...
A: Thing is, Erythrosuchids were basal but not ancestral to anything. They were ambush predators, but ...
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| Ornithosuchus as a swimming predator? | 7/8/2009 | David Prus |
Q: I'm delighted to have found this site as I have so many questions! I was reading AD Walker's classic ...
A: Fascinating idea. There are a couple problems; the teeth are curved backwards and the head is short. ...
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| Amphicyon | 7/7/2009 | David Prus |
Q: 1)Which were the probable prey items for Amphicyon?? 2)Can you provide me a pic of the claws of ...
A: 1)It was widespread across the Northern continents from the USA to China to India to Europe, so ...
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| Anteosaurus | 7/6/2009 | David Prus |
Q: and thank you for your resourcefulness. Who will win between Anteosaurus and these animals?? ...
A: The Thylacines are smarter and quicker, but they lack the power to defeat an Anteosaur Moschops was ...
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| Diictodon/Dicynodon | 7/5/2009 | David Prus |
Q: Is a Diictodon a Dicynodon? I don't think so, but If they aren't the same creature then is the only ...
A: Diictodon is a kind of dicynodont. Dicynodon and Diictodon are both dicynodonts. Diictodon are a ...
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| 3 questions | 7/5/2009 | David Prus |
Q: (1) what subjects should i study to become a palentogist (2) how should i go about becoming a ...
A: 1. Depends on the Institution (bigger=higher), credentials (more=higher), and the field (more ...
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| 3 questions | 7/5/2009 | David Prus |
Q: (1) what subjects should i study to become a palentogist (2) how should i go about becoming a ...
A: That's unlikely. While it may have been true for the larger species, there were still a lot of ...
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| 3 questions | 7/5/2009 | David Prus |
Q: (1) what subjects should i study to become a palentogist (2) how should i go about becoming a ...
A: 1) Geology, zoology (biology in general, actually), anatomy, some physics, some chemistry, and ...
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| who's closer to birds?? | 7/4/2009 | David Prus |
Q: 1)Can you put these families of dinosaurs from the less bird-like to the most bird-like?? ...
A: 1) Coelophysidae Abelisauridae Ceratosauridae Megalosauridae Spinosauridae Allosauridae ...
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| Allosaurus sp. | 7/3/2009 | David Prus |
Q: 1)How much did Allosaurus fragilis weighed?? 2)Which were the top 5 most powerful Asian theropods of ...
A: 1) A. fragilis was between 700 and 1000 kg 2) Tarbosaurus, Shaochilong, Kelmayisaurus, Mifunesaurus, ...
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| Panthera atrox | 7/2/2009 | David Prus |
Q: What would happen if the American lion encountered these animals one on one: Daeodon Epycion ...
A: Daeodon's just too big and powerful one-on-one The lion's too big and well-armed for Epicyon to ...
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| Megalania | 7/1/2009 | David Prus |
Q: 1)Who likely dominated over the other, Quinkana or Megalania?? 2)Who likely dominated over the ...
A: 1. Hard to tell. Megalania was larger, and Quinkana had armor. I'd say the crocodile, since ...
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| Acrocanthosaurus | 6/29/2009 | David Prus |
Q: 1)Which dinosaur had the most powerful jaws for its size, and what structures made this jaws so ...
A: 1. Hard to tell, but probably our old friend Tyrannosaurus (although hadrosaurs and ceratopsians ...
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| Eotitanosuchus | 6/28/2009 | David Prus |
Q: 1)If Eotitanosuchus was introduced in central India, what would happen?? 2)Can you describe me how ...
A: 1) Not too bad. There's enough large game and the temperature is just enough for a large ...
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| Prehistoric Reptiles | 6/27/2009 | David Prus |
Q: 1)Can you tell what would happen if the following animals were introduced in these environments: ...
A: Postosuchus-it would certainly suffer under the colder temperatures like a lion in Sweden. I can't ...
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| Therapsid | 6/26/2009 | David Prus |
Q: 1)Which was the biggest carnivorous therapsid ever?? how big was it?? which were the possible prey ...
A: Big therapsids? Eotitanosuchus at 600 kg and twenty feet long. Fed on the giant amphibian Melosaurus ...
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| Rajasaurus | 6/25/2009 | David Prus |
Q: 2)Which dinosaurs were possible prey items for Rajasaurus and Tarascosaurus?? 3)Which were the apex ...
A: 1. Rajasaurus had a proportionally larger head and slightly more heavily built than Carnotaurus with ...
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| Abelisaurids | 6/24/2009 | David Prus |
Q: i would like to ask you some questions: 1)Which dinosaurs where possible prey items for Carnotaurus? ...
A: 1) Carnotaurus was the only dinosaur found in its strata, the La Colonia Formation in Argentina. ...
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| dinosaur | 6/19/2009 | David Prus |
Q: ..).I completely love dinosaurs and here are some questions: 1.Could Spinosaurs kill "the fearsome ...
A: Well, Sam, I'm not a paleontologist but I can certainly help you. 1. Spinosaurus could probably ...
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| identification of the artists of these illustrations | 6/19/2009 | David Prus |
Q: I wonder who is the artist(s) of these illustration of prehistoric animals ...
A: I have the first one in an old Time-Life book, but I have them all boxed up. Most websites don't ...
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| Conflicts | 6/18/2009 | David Prus |
Q: Question Hi David. I'd sent this question twice to Daniel, but I read that he is on a holiday. In ...
A: In the case of the first 7 matchups, I would say that while your super allosaur would certainly ...
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| dinosaurskeletons | 6/17/2009 | David Prus |
Q: does any book with lots of dinosaur skeletons and technical data about each dinosaur exist? thanks
A: I'm afraid that books on dinosaur skeletons are rare, as complete specimens are rare. Most good ...
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| dinos | 6/13/2009 | David Prus |
Q: are they faster and stronger? hypotheticaly if we put an utahraptor in an african savvana would he ...
A: 10 Newtons per cm - 14 psi. Today's land predators are efficient considering their prey. Their ...
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| dinos | 6/13/2009 | David Prus |
Q: during that 2my period who would be the apex predator? i've noticed this in other occasions-( north ...
A: Tyrannosaurus only remained in one species, and didn't show as much variation as, say, Triceratops ...
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| dinos | 6/11/2009 | David Prus |
Q: during that 2my period who would be the apex predator? i've noticed this in other occasions-( north ...
A: Remember, fossils only show a fragment of geological history. They might have been contemporaries ...
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| dinos | 6/11/2009 | David Prus |
Q: what was his hunting method and were any other big predators in his habitat? why lampeosaurus ...
A: The Komodo Dragon's bite force is about 40 N, and scaling it up and beefing it up for a large ...
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| dinos | 6/10/2009 | David Prus |
Q: what was his hunting method and were any other big predators in his habitat? why lampeosaurus ...
A: Purussaurus ate anything it came on-large mammals, large fish, turtles, birds, carrion, other ...
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| dinos | 6/10/2009 | David Prus |
Q: if this event caused the mass extinction, how did it affect areas on the other side of the world ...
A: Climatic change in one area of the world effects the rest. Look at the El Nino phenomenon-the ...
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| dinos | 6/10/2009 | David Prus |
Q: africa,asia,india 65 mya? 3)if dryptosaurus and appalachiosaurus were primitive tyrannosaurids why ...
A: Actually, all the Mongolian dinosaurs manage to survive until the end of the Cretaceous. The Nemegt ...
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| dinos | 6/10/2009 | David Prus |
Q: africa,asia,india 65 mya? 3)if dryptosaurus and appalachiosaurus were primitive tyrannosaurids why ...
A: 1) Good question. Much of North America was covered in the inland sea at the time, but there are ...
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| dinos | 6/9/2009 | David Prus |
Q: if they did who would be the apex predator? thanks
A: Giganotosaurus-98 mya, Candeleros Formation Mapusaurus-96 mya, Huincul Formation Tyrannotitan-115 ...
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| dinos | 6/9/2009 | David Prus |
Q: prey primarly, titanosaurids with slashing bites,but how could this happen? they had relatively ...
A: 1) Abeliosaurs did not use just their teeth in the attack with a simple bite. They probably used ...
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| triceratops | 6/8/2009 | David Prus |
Q: how many more parts have they got? can you tell me more information on the large triceratops bones ...
A: That's pretty much it for Torosaurus-skulls, legs, hips, and parts of the vertebrae. It was a pretty ...
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| dinos | 6/8/2009 | David Prus |
Q:
A: In their areas, there were mostly sauropods called Titanosaurs. Their contemporary ornithopods were ...
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| bite force | 6/8/2009 | David Prus |
Q: carcharodontosaurus and purrusaurus? thanks
A: No one has calculated the bite force of Giganotosaurus yet to my knowledge, but considering it's a ...
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| dinosaursize | 6/7/2009 | David Prus |
Q: where can i find size and length for dinosaurs in general online-i require the size for differnet ...
A: The site "Dinosauricon" used to be full of good stuff, but it looks like it's been abandoned. The ...
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| dinosaursize | 6/4/2009 | David Prus |
Q: i would ask if you know any site or link which shows the information -size speices type and museum ...
A: Could you please clarify your first question? Do you mean dinosaurs in general or one specific genus ...
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| Mammoths | 6/1/2009 | David Prus |
Q: Mammoths were contemporary with humans; yet their remains are found deep in the permafrost. How did ...
A: Based on fossil evidence and the behavior of modern elephants, it's likely that mammoths migrated ...
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| mini-raptor with soft tissue | 5/31/2009 | David Prus |
Q: I uncovered a fossil of a mini-raptor with soft tissue in my backyard. It looks to be almost all ...
A: Robert. Again, it's hard to see fossils with an untrained eye like mine (my firs assumption was it ...
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