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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,366 Views)
Paleop
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Paleopterix

how likely was it that siats was feathered?
also could it (or maybe a descendant) have survived into the early maastrichian?
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DinoBear
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Paleop
Aug 22 2015, 06:02 PM
how likely was it that siats was feathered?
It is quite possible that it had feathers, as with most* theropods.

*Ceratosaurs, on the other hand
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Incinerox
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Āeksiot Zaldrīzoti

As a Neovenatorid, not likely.

If it was a megaraptorid (therefore a tyrannosauroid), it did, 'nuff said.
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BossMan, Jake
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Son of God

Incinerox
Aug 22 2015, 07:08 PM
As a Neovenatorid, not likely.

If it was a megaraptorid (therefore a tyrannosauroid), it did, 'nuff said.
I would imagine it had feathers like Concavenator. And maybe s downy mane.
That's how I see it and this is strictly an opinion.
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DinoBear
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The evidence for feathers on Concaventor isn't great. Just muscle attachment points, really. Depending on where you put the origin of feathers, you can feather it.
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Ignacio
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Ex Corrupt Staff

I think there is a new study that suggests that they are not muscle attachments but quill knobs.
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CyborgIguana
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Also Siats would have to have survived from the beginning of the late Cretaceous to the end in order to see the early Maastrichtian, which is astonishingly unlikely to say the least.
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54godamora
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since we're on the subject, what formation did Siats came from, and what is the name of the tyrannosaurs that were around alongside it?
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CyborgIguana
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It's from the Cedar Mountain Formation, which doesn't have any known tyrannosaurs AFAIK but a few theropods from the same formation include Acrocanthosaurus, Falcarius, and Utahraptor (Siats itself was either a neovenatorid or a megaraptorid, not a tyrannosaurid, you probably have it confused with Lythronax).
Edited by CyborgIguana, Aug 23 2015, 05:12 PM.
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Furka
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Let's not forget that the Cedar Mountain covers a wide time range, and not all those species lived together.
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54godamora
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I knew siats wasn't a tyrannosaur ( i always thought it was carcharodontosaur) i'm was asking the name of the tyrannosaur that was seen in a picture awhile back when siats was newly discovered.

@Furka, you're right. Utah at 126, Acro and Deinonchyus at 115, and Siats at 98 or what?
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BossAggron
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Formerly Dilophoraptor

they were just random basal tyrants from what the artist said.
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54godamora
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Dully noted,Bossgodora

FYI, that is japanese name for Aggron; if you already didn't know that.

This was just put so it wasn't seen as spam.
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CyborgIguana
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Furka
Aug 23 2015, 05:28 PM
Let's not forget that the Cedar Mountain covers a wide time range, and not all those species lived together.
I know they didn't all live together, I was just listing theropods from the formation in general.

Also I think the tyrannosaur you're referring to is indeed Lythronax, it was discovered at around the same time as Siats.
Edited by CyborgIguana, Aug 23 2015, 06:38 PM.
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Komodo
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Varanus komodoensis

Are there Mesozoic formations that had a tropical rainforest/dry forest environment during that time? I know many dinosaurs that lived in subtropical temperate rainforests, but I wonder what species lived in forests resembling modern Amazonas, central Africa or southeast Asia.

Greetings!
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