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Re: Deinonychus antirrhopus skull



John Bridgman wrote-

> How much of the skull of Deinonychus antirrhopus is now known?What was
it's
> general shape closer to Dromaeosaurus or Velociraptor?

(MCZ 4371) snout fragments, mandibular fragments, teeth (Ostrom, 1976)
(MOR 747) anterior dentary (Maxwell 1997)
(MOR coll.) maxilla, nasal, lacrimal, jugal, prefrontal, frontal, parietal,
quadrate, laterosphenoid, methesmoid, braincase, ectopterygoid, palatine,
teeth, other skull material (Maxwell 1995, Maxwell 1997)
(YPM 5210) jugal, postorbital, quadratojugals, squamosals, ectopterygoid,
pterygoids, vomer, dentary, splenial, surangular, angular, prearticulars,
articular, 39 teeth (Ostrom, 1969)
(YPM 5232) partial skull (332 mm) including premaxillae, maxilla, nasals,
lacrimal, jugals, postorbitals, squamosal, quadratojugal, palatine, vomer,
dentaries, angular, articulars, 33 teeth (Ostrom, 1969)
(YPM 5233) ectopterygoid, pterygoid (Ostrom, 1969)
(YPM 5234) surangular (Ostrom, 1969)
(YPM 5237) splenial (Ostrom, 1969)
(YPM 5238) splenial (Ostrom, 1969)
(YPM 5239) pterygoid (Ostrom, 1969)

Deinonychus' skull was longer and more pointed than Dromaeosaurus, but
taller and not upturned like Velociraptor.

Mickey Mortimer