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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,298 Views) | |
| BossMan, Jake | Apr 18 2016, 07:55 PM Post #2941 |
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Son of God
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Isn't the Elaphrosaurus family technically within the ceratosauria though? |
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| CyborgIguana | Apr 18 2016, 07:56 PM Post #2942 |
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Uhm...yes? Did I say it wasn't? So is Noasauridae, for that matter. |
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| Incinerox | Apr 18 2016, 08:16 PM Post #2943 |
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Āeksiot Zaldrīzoti
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I cannot help but challenge this notion based on the unusually long arms and MASSIVE coracoids we have for Deltadromeus. Elaphrosaurids and noasaurids aren't exactly special in that regard. |
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| heliosphoros | Apr 18 2016, 10:11 PM Post #2944 |
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Yes very: http://pterosaur-net.blogspot.pt/2013/01/guest-post-dragon-tails-what-pterosaurs.html |
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| BossMan, Jake | Apr 18 2016, 10:17 PM Post #2945 |
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Son of God
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I thought he was talking about Pachycephalosaurs not pterosaurs? |
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Apr 18 2016, 10:55 PM Post #2946 |
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Both groups had their tails stiffened by caudal rods. |
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| Furka | Apr 19 2016, 12:32 PM Post #2947 |
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Do we have a more or less clear idea of the size of Redondasaurus ? Because wiki states it was slightly more than 6 metres, but I think I've heard bigger estimates, even up to double that length (unless I'm confusing it with other archosaurs). |
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| BossMan, Jake | Apr 19 2016, 12:41 PM Post #2948 |
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Son of God
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Yeah I've heard of Redondasaurus growing to 12 meters to! So I to am curious I know there was one Phytosaur that did but I can't pick out a name Edited by BossMan, Jake, Apr 19 2016, 12:42 PM.
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| Incinerox | Apr 19 2016, 01:40 PM Post #2949 |
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Āeksiot Zaldrīzoti
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Not built the same way. Stegoceras: http://static.squarespace.com/static/51bf1cd3e4b0a897bf54112b/51bf6665e4b090c42fe6cf72/51bf6bc9e4b07098d8677e6f/1382744688992/Stegoceras.jpg Rhamphorhynchus: http://static.squarespace.com/static/51bf1cd3e4b0a897bf54112b/526c03cee4b0dda0159cf363/526c0463e4b0ed588498257f/1390770065235/Rhamphorhynchu.jpg Velociraptor: http://static.squarespace.com/static/51bf1cd3e4b0a897bf54112b/51bf3928e4b09edc5f83d0af/51bf5cdee4b010d205f9368b/1382741340389/Velociraptor.jpg While pterosaurs and dromaeosaurs compare nicely with each other in structure, evolutionary use, and overall result, I don't think they compare all that well with what is seen in pachycephalosaurids. Velociraptor had extended bony rods which grew backwards almost horizontally from the bones themselves, and overlapped several vertebrae each. The rods were thin and apparently very bendy if the fossil record is an accurate representation of flexibility in living animals (and not just a matter of post mortem bone distortion). I also don't imagine that their tails would be all that flexible based on muscle power alone, so like, if Velociraptor wanted to preen its tail, it could grab it and pull the tail fan towards its head, but it couldn't just bend its tail in an S-shape "just coz". As Helios's link suggested, such logic applies to pterosaurs. But Stegoceras seems to have more angled ossified tendons along the tail. Whether this makes them more or less flexible, given the density of the ossified tendons and the shape of the tail as a whole, remains to be seen. It's not like pachycephalosaurs have secondary flightlessness to explain why they had to keep their tails vertically rigid. Edited by Incinerox, Apr 19 2016, 03:11 PM.
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| PrimevalBrony | Apr 19 2016, 04:13 PM Post #2950 |
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Youtuber. Combat robotics fan
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Why did the Campanian "mass" extinction occur? |
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| BossMan, Jake | Apr 19 2016, 08:13 PM Post #2951 |
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Son of God
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Evolution of many new and familiar species IIRC is one of the reasons
Edited by BossMan, Jake, Apr 19 2016, 08:13 PM.
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| godsaurus | Apr 20 2016, 12:18 AM Post #2952 |
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I know i might sound stupid for saying this but, would the teeth of Masiakasaurus work similarly to the tooth combs of lemurs? |
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| MightyFan217 | Apr 20 2016, 01:37 PM Post #2953 |
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OH YESSS!
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So would a Woolly mammoth be a "picky eater" regarding what types of plant matter it ate? I know it eats primarily grasses and such, as well as leaves and branches from shrubs and trees while also eating herb plants, but would it necessarily be picky about what it chooses to eat throughout its life?
Edited by MightyFan217, Apr 20 2016, 01:39 PM.
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| CyborgIguana | Apr 20 2016, 03:19 PM Post #2954 |
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Probably not, seeing as elephants today aren't particularly picky about the plants they eat AFAIK.
Edited by CyborgIguana, Apr 20 2016, 03:19 PM.
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| MightyFan217 | Apr 20 2016, 03:34 PM Post #2955 |
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OH YESSS!
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Another question relating to the species are possible predators. Wikipedia lists pack hunters like Wolves, and then also Cave hyenas and larger end Felines. Would a Siberian tiger necessarily be big enough to take on a Mammoth of this type, considering it's the largest Tiger subspecies alive today and both species had a shared range in some places? Also, on a side note, would Bears also be capable of preying off of Woolly mammoths as well? Considering M. primigenius isn't a very big Mammoth species to begin with I don't imagine certain modern predators in the same region today wouldn't have managed to prey on them somehow. I can imagine them preying off young, sick, or too old to fend of predator individuals, but not a healthy adult by all means. Any further answers to this? In case anybody is curious as to why I'm asking these Woolly mammoth questions, I'm writing a story and it involves mostly modern day animals in Siberia and also includes Woolly mammoths and Woolly rhinoceros in the story once the introductions to the setting and cast are done. Edited by MightyFan217, Apr 20 2016, 04:03 PM.
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