Dinosaur of the day 7/3/14
Dinosaurs Forum Topic
Allotitan
MemberCompsognathusJuly 03, 20141921 Views11 RepliesOrkoraptor
size: unknown due too little fossil evidence
The name Orkoraptor is derived from†'‬Orr-Korrâ€' ‬the Aoniken name for the La Leona River of Argentina.When first described,†‬Orkoraptor was thought to be a coelurosaur thus a possible tyrannosauroid.†‬However later studies have since caused this notion to be dismissed as Orkoraptor seems to actually be a form of late surviving allosaurid.†It's possible that the geographic isolation†‬of South America from the rest of the world during the Cretaceous may have protected the lineage that led to Orkoraptor from other newly appearing forms.†‬This is also reflected in the fact that Orkoraptor is one of the southernmost carnivorous dinosaurs that have been discovered in South America.†‬Unless future fossil finds prove otherwise,†‬Orkoraptor may have been restricted to the south due to the abundance of carcharodontid and abelisaurids
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Replies to Dinosaur of the day 7/3/14
this is the last known member of the Neovenatoridae, it shows that allosaurs continued to flourish until the very end of the Mesozoic. Its affinities with other Megaraptora are currently unclear Benson et al 2010;studies found it to be a late-surviving Allosaur, in the subfamily Megaraptora. From what we have, this seems to be the best guess.
Orkoraptor was Discovered in 2008 in the depths of the Pari Aike formation. It is believed to have stalked the south american plains during the Early Maastrichtian, mainly in southern Argentina.
We don't have all that much..
But from those remains, and scaling from neovenator and Australovenator, I got ~ 7.57 meters and 1.5 tons. Not enormous by theropod standards, but pretty damn big.
Nature doesn't deceive us; it is we who deceive ourselves.
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