[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Jinfengopteryx elegans the troodontid
smaller and closely packed anterior teeth,
Extremely crowded! Looks like *Byronosaurus*.
short pedal digit II (Jaime noticed this), and possibly the absence of
uncinate processes and sterna (if their absence in Sinornithoides is
Also compatible with *Archaeopteryx*.
I'll save my final judgement until I get the data matrix of Ji et al.
they include Sinovenator, and Jinfengopteryx does not clade with it), but
seems we have the most complete troodontid known, and the only one with
And perhaps the oldest one, too! -- Are there any wing feathers visible? The
photo at dinosaur.net.cn is too coarse to tell.
The matrix seems to be a modified version of Norell and
Clarke's (2001), with some added non-birds. Perhaps it suffers from the
same problems that place oviraptorosaurs in Ornithurae in Lu et al.
i.e. analyzing non-birds in a bird matrix.
Lü is a coauthor... :->