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Segnosaurs For Your Amusement by Qilong Segnosaurs For Your Amusement by Qilong
I intend to update this properly someday, but for now it surprised me it wasn't already here. Most known therizinosaurs (segnosaurs).
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:iconalgoroth:
Algoroth Featured By Owner Mar 24, 2012  Professional General Artist
Most interesting, and, as always, very well done. I do have a crazy thought of my own and I would be interested in what you think, since your knowledge of this group far outstrips mine: the hands and arms do not, to my eyes, look well adapted for quadrupedal mode. Might the postures have been slightly more erect, to better distribute body weight for walking?
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:iconqilong:
Qilong Featured By Owner Mar 25, 2012
Quite possible. The alternative is that the femur was held is a more... angled position, so that the knee was constantly flexed, moving the effective "hip" joint to a more anterior knee position. This would allow the animal to be more horizontal. It is possible that the neck is derived for vertical feeding, but this only makes sense in case the animals were derived vegetation foragers, rather than a) generalists, 2) omnivores, or 3) something else. The arm adaptations with limited mobility, bizarre potentially predatory adaptations to the pes, and tiny rostra with serrated but small teeth suggest an omnivorous, and potentially low-height feeding, rather than high-height, regardless of size (we have no cranial material for Therizinosaurus, so it's hard to test this).
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:iconalgoroth:
Algoroth Featured By Owner Mar 25, 2012  Professional General Artist
Interesting! Do the embryos found provide clues? I think therizinosaur embryos have been found. Could be wrong...
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:iconbrad-ysaurus:
Brad-ysaurus Featured By Owner Oct 15, 2011
I'm surprised that Alxasaurus is bigger than Segnosaurus and Erlikosaurus, I'd always imagined it being slightly smaller.

It's also interesting that Therizinosaurus and Nanshiungosaurus have no overlapping remains. Maybe they're the same thing?

Body shape of Nothronychus is out of date, yes?
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:iconqilong:
Qilong Featured By Owner Oct 28, 2011
There were two specimens of Alxasaurus elesitaiensis, and the original illustration was based off the larger of the two, while much of the textual description is based off the smaller.

This was also done almost 10 years ago, so is horribly outdated.
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:iconvincenangellis:
VincenAngellis Featured By Owner Oct 13, 2011
very insightful and professional rendering of this group
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:iconqilong:
Qilong Featured By Owner Oct 28, 2011
Thank you!
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:iconevenape:
Evenape Featured By Owner Oct 13, 2011  Student Traditional Artist
I'm shocked that all things we know from therizinosaur skulls were just from Erlikosaurus (and the Alxasaurus' lower jaw)
Are therizinosaurid skulls that rare?
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:iconqilong:
Qilong Featured By Owner Oct 28, 2011
YES. O, so rare.

Mandibles are known for Segnosaurus, partial Alxasaurus, Erlikosaurus (complete), and Neimongosaurus (rostral fragment), and partial upper and lower jaws are known for Falcarius, while braincase material is known for Falcarius, Erlikosaurus (complete) and Nothronychus.
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:iconevenape:
Evenape Featured By Owner Nov 1, 2011  Student Traditional Artist
Thanks for the info Qilong
Honestly, this creatures were just so bizarre, I wish we could find more about their skulls XD
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:iconpilsator:
pilsator Featured By Owner Oct 13, 2011  Hobbyist Traditional Artist
Actually, there's a nice skull for Beipiaosaurus known from a newer, referred skeleton, and the skull of Falcarius should be more or less completely known. Neimongosaurus and Segnosaurus preserve parts of their lower jaws, but, yeah, that's it for more derived therizinosaurs - Erlikosaurus is the gold standard for the sole virtue of coming with a complete skull at all. That of - quite basal - Beipiaosaurus, however, is not _that hugely_ different, so everything in the (Beipiao + therizinosaurids) clade should be somewhere inbetween, considering this apparent conservative-ness. Nonetheless, we'd always been great at underestimating diversity and disparity in dinosaur clades, so there goes :D
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:iconevenape:
Evenape Featured By Owner Oct 15, 2011  Student Traditional Artist
Ohh, thanks for the info pilsator

So, does anyone really know why were the skulls so rare, personally, I thought that the skulls were rare because they were built like the sauropod's, gracile and fragile XD
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:iconpilsator:
pilsator Featured By Owner Oct 13, 2011  Hobbyist Traditional Artist
Nice one! Still remember it from the Dinosauricon, among others of your trademark panoplies (and another one with non-ornithomimid ornithomimosaurs, if memory serves well). Beautiful work, although I'd love to see an update (especially wrt body posture) ;)
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:iconqilong:
Qilong Featured By Owner Oct 28, 2011
Yeah, that is gonna happen ... eventually.
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:iconbrachio30:
brachio30 Featured By Owner Oct 12, 2011
wow, Paleontological Parodies? That's a first!

I like it! xD
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:iconpilsator:
pilsator Featured By Owner Oct 13, 2011  Hobbyist Traditional Artist
Well, in a sense therizinosaurs/segnosaurs looked like paleontological parodies :P
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:iconbrachio30:
brachio30 Featured By Owner Oct 13, 2011
It's like a dinosaur that has evolved claws suitable for getting pringles out of tubes
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:iconwewillburyyou:
wewillburyyou Featured By Owner Oct 12, 2011  Hobbyist General Artist
i read it as 'parody', but then i couldn't find the joke

;___;
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:iconqilong:
Qilong Featured By Owner Oct 12, 2011
Yeha, I tend to use "panoply" as a functional term for a diverse group when I do skeletal arrangements like this.
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:iconwewillburyyou:
wewillburyyou Featured By Owner Oct 12, 2011  Hobbyist General Artist
;-;
i noticed.


BRIGHT SIDE
i still like this
C:

go dinos, go!
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