premaxillae

We have the tip of the upper jaws - bones called the premaxillae.

BBC News - Home 2011

All we have is the tip of the upper jaws -bones called the premaxillae, and a broken tooth preserved in one socket, said David Martill, from the University of Portsmouth, who collaborated with Unwin.

Yahoo! News: Business - Opinion 2011

But in the Yixian Formation enantiornithean Protopteryx (image at left: taken from Dinosaur. net.cn) there are just two conical, unserrated teeth in the premaxillae and two subtriangular teeth at the dentary tips (Zhang & Zhou 2000).

Archive 2006-07-01 Darren Naish 2006

In Protarchaeopteryx, teeth are restricted to the premaxillae and anterior parts of the maxillae and dentaries, with the premaxillary teeth being a few times taller than the others (Ji et al. 1998).

Archive 2006-07-01 Darren Naish 2006

The unusual long-armed Sapeornis, also from the Jiufutang Formation, had a rather short, Caudipteryx-like skull, and short, conical, unserrated, procumbent teeth projected from its premaxillae (Zhou & Zhang 2003).

The war on parasites: an oviraptorosaur’s eye view Darren Naish 2006

The unusual long-armed Sapeornis, also from the Jiufutang Formation, had a rather short, Caudipteryx-like skull, and short, conical, unserrated, procumbent teeth projected from its premaxillae (Zhou & Zhang 2003).

Archive 2006-07-01 Darren Naish 2006

Long thought to be blood-feeders, megadermatids are odd in lacking upper incisors, and in having strongly reduced, thread-like premaxillae.

Archive 2006-06-01 Darren Naish 2006

The somewhat similar Omnivoropteryx, also from the Jiufutang Formation, was also short-skulled, and also has just a few procumbent teeth restricted to the premaxillae (Czerkas & Ji 2002).

Archive 2006-07-01 Darren Naish 2006

Various skull features make Aldabrachampsus unusual, including the shape of its premaxillae, and the orientation of its tooth row and external nostrils.

Archive 2006-09-01 Darren Naish 2006

The score mark matches precisely the dimensions of a tyrannosaurid premaxillary tooth tip, as Luis is demonstrating with the help of a handy set of tyrannosaurid premaxillae he just happens to own.

Archive 2006-02-01 Darren Naish 2006