REDESCRIPCION DEL CRANEO Y MANDIBULAS DE PTERODAUSTRO GUIÑAZUI BONAPARTE (PTERODACTYLOIDEA, PTERODAUSTRIIDAE)

Teresa M. Sanchez

Abstract


As several new skulls and jaws of Pterodaustro guizañui were recently found, a re-description of it is given. The outstanding feature of this specie is the quite different morphology of the upper and lower teeth, the former very short and the latter very long, slender and probably flexible, both of them disposed in great number. The lower jaw is so long as the skull, upwardly recurved following the lower border of the skull. A more complete diagnosis is given and a hypotype is recognized. The family Pterodaustriidae is considered as valid, and its relationships with the Pterodactylidae and Ctenochasmatidae are discussed.

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