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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,287 Views) | |
| TheNotFakeDK | May 25 2016, 03:16 PM Post #3106 |
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200% Authentic
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And to quote Scott in the comments, "Probably an obligate quadruped". I think the supposed Australian Leptoceratops is referring to Serendipaceratops, which from what I can tell was deemed a neoceratopsian after Dale Russell said the ulna (the only known bone) looked like that of Leptoceratops. And if I recall correctly, they never compared it with anything else, only Leptoceratops. A more recent study concluded the ulna can't be assigned to anything beyond Genasauria, although it was apparently closest to that of 'Minmi' (probably the Kunbarrasaurus specimen). |
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| Ulquiorra | May 25 2016, 05:44 PM Post #3107 |
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![]() Do we know what the gills of these were like? Gill slits, like shark gills, as so often depicted, or chimaera-like opercular flaps? |
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| Furka | May 25 2016, 05:49 PM Post #3108 |
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Could Ornithomimids use their arms for practical purpose other than "fancy mting dances" ? Like digging in substrates or pull foliage closer ? |
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| stargatedalek | May 25 2016, 07:17 PM Post #3109 |
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I'm not slow! That's just my moe!
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Most of them probably not, Deinocheirus, yes. |
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| TheNotFakeDK | May 25 2016, 08:42 PM Post #3110 |
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200% Authentic
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I'm not so sure on that, the fingers of ornithomimids are all roughly the same length, and the claws are relatively long, straight and flat-bottomed, so it sounds like they're doing something different with those hands, what ever that may be. |
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| Incinerox | May 25 2016, 09:04 PM Post #3111 |
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Āeksiot Zaldrīzoti
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Grasping twigs, I bet. |
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| heliosphoros | May 26 2016, 09:50 AM Post #3112 |
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We don't know. Personally, I prefer opercular gills, since they are the ancestral condition in vertebrates and, unlike sharks, chimeras haven't lost them
Long before they were discovered to be winged, ornithomimids were already noted as having hands similar to those of birds, implying a primary role in feather support. |
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| Paleop | May 30 2016, 12:42 PM Post #3113 |
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Paleopterix
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well it does not necessarily pertain exclusively to dinosaurs....how are their names derived? If I wanted to name something "light branch" or what not, how would I convert greek letters to english letters? |
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| Acinonyx Jubatus | May 30 2016, 01:17 PM Post #3114 |
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I AM THE UNSHRINKWRAPPER!
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Find out how the Greek words are pronounced, and make your best guess. Or you could find other scientific names with the same root words and figure it out from there. |
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| Paleop | May 30 2016, 06:59 PM Post #3115 |
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Paleopterix
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thank you what are the differences between tarbosaurus and tyrannosaurus that would qualify them as separate genre? I know that tarbo has a much thinner snout and overall is narrower and lighter |
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| babehunter1324 | May 30 2016, 07:19 PM Post #3116 |
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Tarbosaurus is considerably older stratigraphically and from a different continent (though that didn't prevent the synonymization of Charonosaurus with Parasaurolophus), Tarbosaurus also has some skeletal differences in the built of it's jaws, teeth and had even smaller forelimbs than T. rex. |
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| BossAggron | May 30 2016, 07:31 PM Post #3117 |
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Formerly Dilophoraptor
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![]() Tarbosaurus bataar Skull vs. Tyrannosaurus rex Skull |
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| BossMan, Jake | May 30 2016, 10:02 PM Post #3118 |
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Son of God
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Which groups of non-sauropod dinosaurs could've have lived the longest, and how long? |
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| Furka | May 31 2016, 06:50 AM Post #3119 |
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I myself would probably look at Ankylosaurs, being slow animals with a not so active lifestyle they could have probably lasted for quite some time. But this is just a wild guess with nothing to back it up, so I might be totally wrong. |
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| Incinerox | May 31 2016, 09:16 AM Post #3120 |
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Āeksiot Zaldrīzoti
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Honestly, I'd not be surprised if that were true. |
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