The ornithischian dinosaur Psittacosaurus from the lower Cretaceous of Asia and the relationships of the Ceratopsia
By: Paul Callistus Sereno
Published: 1987
Language: eng
Number of pages: 554
Subjects: Psittacosaurus; Dinosaurs; Ceratopsia
Notes: Typescript (photocopy).

"87-10,225."

Thesis (Ph. D.)--Columbia University, 1987.

Includes bibliographical references.

Microfilm. Ann Arbor, Mich. : University Microfilms International, 1987. 1 microfilm reel. 35 mm.