RE: Claws of Troodontids

["Williams, Tim" <TiJaWi@agron.iastate.edu>]

Aspidel wrote:

> (...) it seems likely that the sickle-claw was actually
> *lost* (...) and by certain troodontids.

>Which troodontids?

_Borogovia_ has a rather straight claw - perhaps not good for predation.
Intraspecific combat, maybe?  Just a guess.

_Tochisaurus_ has a reduced and very slender metatarsal II, making it
unlikely that it supported a sickle-claw-bearing toe.



Tim