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Re: Segnosaur material
This is no segnosaur. The holotype of _Chilantaisaurus_ is a very
fragmentary skeleton belonging to a large (non-segnosaurian) theropod.
Sereno et al. called it a torvosauroid in the paper on _Afrovenator_.
I'm not entirely sure why.
(Incidentally, the holotype of _C. tashuikoensis_ includes a large claw and
I've mused if this mega-claw really comes from the foot rather than the hand.
With its slightly proximally attenuated third metatarsal, I've wondered if
_Chilantaisaurus_ is really a big maniraptoran. Probably not, but
it's worth thinking about.)
The species you're thinking of is _Chilantaisaurus zheziangensis_
(I've spelled this wrong I'm sure). There's some confusion about the holotype
of this species, which probably partly explains why it is been kept
in the genus _Chilantaisaurus_ by some authors and regarded as a segnosaur