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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,275 Views) | |
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Jul 30 2016, 08:59 AM Post #3286 |
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A Loveable Singer!
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A ZT2 question, what biome would fit to Prodeinotherium? |
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| heliosphoros | Jul 30 2016, 09:28 AM Post #3287 |
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Grassland or Temperate Forest |
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Jul 30 2016, 09:30 AM Post #3288 |
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A Loveable Singer!
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Thanks! |
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| Incinerox | Jul 30 2016, 09:34 AM Post #3289 |
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Āeksiot Zaldrīzoti
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That being said, I would lean more towards temperate forest. |
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Aug 1 2016, 08:19 AM Post #3290 |
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A Loveable Singer!
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Okay... Now, what is the shape and size of the ears of South African mammoth (Mammuthus Subplanifrons)? I've seen a reconstruction made by SameerPrehistorica, which shows big ears and shape similar, if not, same, with African elephants. However, a reconstruction made by Roman Yevseyev, which shows small ears and shape similar to Asian elephants, and the last, a reconstruction made by Roman Uchytel, which shows medium-sized ears, resembling Asian elephant ears, but bigger, and the shape of African ones. Which one is right? SameerPrehistorica Roman Uchytel Roman Yevseyev
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| Incinerox | Aug 1 2016, 08:49 AM Post #3291 |
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Āeksiot Zaldrīzoti
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We have no way of actually telling what the ear shape actually was. It's reasonable to suggest an ear shape resembling that of modern Elephas (sister genus and all that). But we cannot say anything with a degree of certainty. We can say at least, based on extant phenomenon, that it would have had ears comparable in surface area to an African elephant as a result of its similar size and environment. Edited by Incinerox, Aug 1 2016, 08:51 AM.
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Aug 2 2016, 03:27 AM Post #3292 |
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A Loveable Singer!
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Thank you so much! |
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| Acinonyx Jubatus | Aug 2 2016, 10:13 PM Post #3293 |
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I AM THE UNSHRINKWRAPPER!
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What was the environment of the Tapinocephalus Assemblage Zone of the Karoo like? Would it have been heavily forested or more open? How about its climate? |
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| Incinerox | Aug 2 2016, 11:45 PM Post #3294 |
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Āeksiot Zaldrīzoti
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As far as I can gather, reasonably hot, but lots of brackish lakes and rivers. Over time, the lakes dried out, leaving only rivers while the climate got increasingly arid. |
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| Mathius Tyra | Aug 8 2016, 08:13 AM Post #3295 |
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Rat snake is love... Rat snake is life
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I have a couple of questions. - Is there any flaw on Duane Nash's theory about Spinosaurus being unable to swim well, but rather use walking along the bottom technic to travel in water in the similar manner to hippo and also belly side when moving on land. I have been looking at this theory (if it's theory? Sorry, still a bit confuse between theory and hypothesis.) and it's pretty reasonable but is not sure if there's something that might slip away from my eyes. - Does the discovery of Gualicho questions the validity of Megaraoptora being Tyrannosauroid? |
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| Incinerox | Aug 8 2016, 10:30 AM Post #3296 |
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Āeksiot Zaldrīzoti
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Spinosaurus: I've commented before on how his idea that it moved along the bottom of lakes and rivers is actually well within reason. Crocodiles and hippos BOTH do this. While hippos physically cannot swim, crocodiles can, but they walk along the bottom anyway. Belly sliding, on the other hand, I've dismissed before as being a bit extreme. A 9+ ton animal simply cannot support its body like that and move on land at the same time. On mud, maybe. Soft mud may be able to cushion some of its own weight. But it likely would not have spent its entire life like that. In the same way crocs have multiple methods of getting around, it's more than likely that Spinosaurus did too. On top of that, a point that only crossed my mind since Nash came over and debated it with me directly, is that if it spent all of its time on endless areas of tidal mudflats, where was it laying its eggs without them getting drowned? It'd have to have found solid ground at some point. And when it did, it had to have a more efficient means of going places. At this point science is still convinced it could actually walk on two legs, although rather clumsily like a duck or pelican. Gualicho No. Gualicho and Aoniraptor (which are likely synonyms), likely form a clade with bahariasauridae. At best this makes them non-megaraptorid megaraptorans. At worst, they aren't even tyrannosauroids at all. Whatever happens, they're in their own group, and likely do not affect the outcome of the cladistic placement of Megaraptor, Australovenator, Murusraptor and co. Interestingly the fact we have more bahariasauridae should clear up where THEY go more than anything. Edited by Incinerox, Aug 8 2016, 10:31 AM.
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| 54godamora | Aug 8 2016, 06:26 PM Post #3297 |
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what was the underwater environment like of western interior seaway where the shore was miles away? |
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| BossMan, Jake | Aug 8 2016, 09:14 PM Post #3298 |
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Son of God
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https://en.wikipedia.org/wiki/Western_Interior_Seaway Go crazy |
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| Furka | Aug 14 2016, 09:21 AM Post #3299 |
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How much "surface" of Edmontosaurus/Anatosaurus annectens do we know the pattern from ? |
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| Incinerox | Aug 14 2016, 02:00 PM Post #3300 |
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Āeksiot Zaldrīzoti
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Collectively among all known Anatosaurus specimens? Nearly all of it. The fossil record has been extremely kind to the species. Most of our skin data comes from the "Trachodon" mummy, the Senckenberg specimen (which has the most intact forelimbs of any hadrosaur - hence where we get the information on hadrosaurs having two hoof-like claws on their hands), the holotype for "Anatotitan" (which preserves much of the front half of the animal, notably the head integument and beak keratin which suggests the beak had interlocking, tooth-like ridges), MOR V 007 (which preserved much of the tail's skin, including a skin frill along the back), and Dakota (which is apparently our worst mummy despite its NatGeo fame). We have enough to restore Anatosaurus's external appearance with very reasonable confidence - a rarity among extinct species, let alone among dinosaurs. |
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