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dinosaur@usc.edu



David Marjanovic wrote-

> > While I am at it -- does anything except Dromaeosauridae, *Bambiraptor*,
> > *Sinornithosaurus* and *Archaeopteryx* have upside-down-T-shaped
> > quadratojugals? *Confuciusornis* doesn't, neither does the Spanish
> > nestling...

>From my partially redone analysis-
37. triradiate quadratojugal
 0- Tyrannosauridae (Carr, 1999)
 Compsognathus (Bidar et al., 1972)
 Scipionyx (del Sasso and Signore, 1998)
 Ornitholestes (Osborn, 1916)
 Garudimimus (Barsbold, 1983)
 Ornithomimidae (Russell 1972, Osmolska et al. 1972)
 Caudipteryx (Ji et al. 1998, Zhou et al. 2000)
 Oviraptoridae (Barsbold 1986, Clark et al. 2001)
 Mononykinae (Chiappe et al., 1998)
 Avimimus (Kurzanov, 1987)
 Troodontidae (Russell and Dong, 1993)
 Archaeopteryx (Elzanowski and Wellnhofer, 1996)
 Confuciusornithidae (Hou et al., 1999)
 Spanish hatchling (Sanz et al., 1997)
 1- Erlikosaurus (Clark et al., 1994)
 Dromaeosaurus (Currie, 1995)
 Deinonychus (Ostrom, 1969)
 Velociraptor (Barsbold and Osmolska, 1999)
 ?Icabodcraniosaurus (Norell et al., 2001)
 Bambiraptor (Burnham et al., 2000)
 Sinornithosaurus (Xu et al., 1999)

Mickey Mortimer