[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Rahonavis; sickle claws
<< BTW: how many times did the sickle claws appear in dinosaur evolution?
Twice (once in maniraptorans, once in ceratosaurs: _Noasaurus_)? May we say
it's convergent evolution? >>
are troodontids officially considered maniraptorans?
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp