[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
RE: carcharodontine furculae
> From: firstname.lastname@example.org [mailto:email@example.com]On Behalf Of
> AM Yates
> > Tykoski, R.S. 1998. The osteology of Syntarsus kayentakatae and its
> > implications for ceratosaurid phylogeny. Unpublished Masters
> > Thesis,University of Texas at Austin, 217 pp.
> > Therefore, the most inclusive clade with furculae would be the
> > which may equal Theropoda depending on the position of Eoraptor and
> > herrerasaurids. The furcula has been lost in several lineages though,
> > including Carnotaurus, Segisaurus, Pelecanimimus (and probably other
> > ornithomimosaurs), Sinosauropteryx and Sinornithoides.
> Further preparation on Segisaurus has revealed that the clavicles were
> fused into a furcula in that specimen as well. Furthermore the the
> ventral ends of the clavicles of Sinornithoides are broken so they could
> be the two ends of a furcula whose midsection is missing (especially
> since Troodon furculae have been described).
Furthermore, it is not at all clear that the Carnotaurus clavicular element
ISN'T broken: the midline part of the element (fused or otherwise) is not
Incidentally, where is the name "Eutheropoda" published, and what is its
Thomas R. Holtz, Jr.
Department of Geology Director, Earth, Life & Time Program
University of Maryland College Park Scholars
College Park, MD 20742
Phone: 301-405-4084 Email: firstname.lastname@example.org
Fax (Geol): 301-314-9661 Fax (CPS-ELT): 301-314-7843