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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,464 Views) | |
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Jul 11 2014, 12:55 AM Post #451 |
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IIRC, Struthiomimus has a narrower beak, larger claws, and larger arms. There may be other differences, but that's all I can think of off hand.
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| Furka | Jul 11 2014, 06:46 AM Post #452 |
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Also, the last Struthio species is quite bigger. |
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| Mathius Tyra | Jul 11 2014, 01:24 PM Post #453 |
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Rat snake is love... Rat snake is life
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Here is a couple of pics to compare. Strutiomimus Ornithomimus |
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| CyborgIguana | Jul 11 2014, 03:33 PM Post #454 |
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Is there any evidence that Arsinoitherium had the short, tapir-like trunk it's sometimes depicted with, or is that just speculation based on the fact that it's distantly related to proboscideans? @JMT: I actually live practically within spitting distance of the museum where that Ornithomimus is (it's the Royal Ontario Museum in Toronto ).
Edited by CyborgIguana, Jul 11 2014, 04:04 PM.
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| stargatedalek | Jul 11 2014, 05:41 PM Post #455 |
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I'm not slow! That's just my moe!
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I've been to ROM a few times its a few days flight from here tho |
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| CyborgIguana | Jul 11 2014, 05:52 PM Post #456 |
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I go there every few months, I even have a membership. Anyway, about my question on Arsinoitherium. |
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| Nomis | Jul 11 2014, 06:18 PM Post #457 |
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the Mountain Born
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Question, are there any hesperoniformes that lived inland and used rivers instead of oceans |
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| CyborgIguana | Jul 11 2014, 06:21 PM Post #458 |
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http://en.wikipedia.org/wiki/Potamornis http://en.wikipedia.org/wiki/Brodavis Yes there were. |
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| Lazardi | Jul 11 2014, 08:20 PM Post #459 |
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Question: What is actually the mysterious Carboniferous chelicerate, the Megarachne? It seems that it's a eurypterid, but I just saw this reconstruction on Deviantart that shows that it's a spider with segmented eurypterid-like tail? I'm just curious, cause it's rather annoys me. |
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| CyborgIguana | Jul 11 2014, 08:27 PM Post #460 |
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It's a eurypterid IIRC. Whoever made that reconstruction was most likely just misinformed.
Edited by CyborgIguana, Jul 11 2014, 08:28 PM.
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| Rudyn | Jul 11 2014, 08:43 PM Post #461 |
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I tried to compare Apatosaurus skull http://brantworks.com/resources/Apatosaurus/Apato_Research/BrantWorks-Apatosaurus-skull.jpg Diplodocus skull http://www.clipart.dk.co.uk/DKImages/exp_dinosaur/image_exp_dino061.jpg Brachiosaurus skull http://www.myjurassicpark.com/brachiosaurus.skull.jpg With some today living and some extinced mammals skull which have/had proboscis: Spoiler: click to toggle And I think they are a little bit similar So what do you think may some sauropods may had proboscis? or it's a ridiculous idea. Edited by Rudyn, Jul 11 2014, 09:28 PM.
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| CyborgIguana | Jul 11 2014, 08:55 PM Post #462 |
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This has already been proposed several times in the past IIRC, and shot down each time due to the fact that some fossil plants show wear from sauropod teeth indicating that the sauropods bit the plants directly, which would be unlikely if sauropods had a proboscis. BTW Macrauchenia and tapirs aren't proboscideans. Edited by CyborgIguana, Jul 11 2014, 09:03 PM.
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| Rudyn | Jul 11 2014, 09:26 PM Post #463 |
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Ok you are right. I edited my post. But if I am good tapirs and saigas also eat plants directly/corect mee if I am wrong/. So may some sauropods had small proboscis like tapirs or saigas? Edited by Rudyn, Jul 11 2014, 09:42 PM.
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| CyborgIguana | Jul 11 2014, 09:46 PM Post #464 |
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It's possible, but it seems just as likely to me that the fenestrae in sauropod skulls supported a resonance chamber or inflatable display sac. I just have trouble seeing trunks as a sauropsid feature. |
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| BossAggron | Jul 11 2014, 09:56 PM Post #465 |
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Formerly Dilophoraptor
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i see more visual display instead of trunks, but it would be pretty surreal to see them with such trunks, especially if split. |
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