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Re: carcharodontine furculae

Mickey Mortimer wrote:

The furcula has been lost in several lineages though,
> including Carnotaurus, Segisaurus, Pelecanimimus (and probably other
> ornithomimosaurs), Sinosauropteryx and Sinornithoides.

This should perhaps be qualified as an "ossified furcula". In these theropods the element may be cartilaginous, reducing its chances of being preserved. Rememember, for at least one well-represented theropod species (_Velociraptor mongoliensis_) the presence or absence of a furcula varies among specimens.


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