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ijreid β€” Shuangbaisaurus skull

Published: 2017-03-29 19:43:19 +0000 UTC; Views: 1871; Favourites: 37; Downloads: 10
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Description Since has cried wolf on this, I might as well upload it now.

This is a skull reconstruction of Shuangbaisaurus alongbaoensis a new basal theropod from China. The paper states that the taxon is closest to Dilophosaurus and Sinosaurus, but I personally think it falls a little more derived, around Monolophosaurus. No analysis was done.

Link to the paper here:Β www.ivpp.ac.cn/cbw/gjzdwxb/pre…
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Comments: 15

Corallianassa [2017-04-03 14:48:33 +0000 UTC]

I agree,the known material does look a bit more derived than Dilophosaurus.

Very nicely done

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Arcovenator [2017-03-30 19:01:37 +0000 UTC]

Awesome! I love those late Trriassic and early Jurassic theropods

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ijreid In reply to Arcovenator [2017-03-30 20:58:32 +0000 UTC]

Thank ye very much

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PaleoJoe [2017-03-30 03:17:22 +0000 UTC]

I think that Shuangbaisaurus, as you put it, is more derived than Dilophosaurus and Sinosaurus; but I would go further as to say it illuminates more of the cranial anatomy of the mysterious basal tetanurans such as Dandakosaurus theropoddatabase.com/Megalosau… and Saltriosaurus theropoddatabase.com/Tetanurae… . Good work by the way, it is very interesting.

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ijreid In reply to PaleoJoe [2017-03-30 05:05:41 +0000 UTC]

Thank you, I try my best I have a hunch that Shuangbaisaurus may be a very basal Avetheropod (allosaurus + birds), since the orbital crests are only seen promimently in carnosaurs and tyrannosaurs. As such, it may very well be like the skull of Saltriosaurus (a possible carnosaur) was like.

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PaleoJoe In reply to ijreid [2017-03-30 13:37:42 +0000 UTC]

Yeah, that seems really reasonable.πŸ˜€

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Dinosaurevil [2017-03-29 20:25:45 +0000 UTC]

I love the Early Jurassic Dinosaurs, and another addition to the Dilophosauriade-Tetanureae Tree is welcome

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ijreid In reply to Dinosaurevil [2017-03-30 01:46:48 +0000 UTC]

I very much agree, anything basal is definitely accepted here.

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Ceratopsia [2017-03-29 20:19:38 +0000 UTC]

Could Shuangbaisaurus be reconstructed like Liliensternus - in the sense that there is no material implying a crest, but it has been reconstruction both with, and without a crest.

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ijreid In reply to Ceratopsia [2017-03-30 01:44:50 +0000 UTC]

Yes a crest is definitely possible, although it was probably low if there was one.

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Glavenychus [2017-03-29 19:54:24 +0000 UTC]

Now that I see the skull, it doesn't look like it's a member of dilophosaurid-grade theropods.

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ijreid In reply to Glavenychus [2017-03-29 20:08:32 +0000 UTC]

I do agree. Just remember, the grey material is all guesses

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Glavenychus In reply to ijreid [2017-03-29 20:12:36 +0000 UTC]

True, I guess we need a more thorough analysis on this before its cladistic relationships are concluded.

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ijreid In reply to Glavenychus [2017-03-30 01:45:25 +0000 UTC]

Definitely. Sadly the paper only gives 2 views of the skull and not much else except basic descriptions and comparisons.

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Glavenychus In reply to ijreid [2017-03-30 21:38:18 +0000 UTC]

Dang .....

I guess we can be thankful we have something about its existence on Earth

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