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The jaw musculature in Protoceratops and in other ceratopsians. American Museum novitates ; no. 1729

Show simple item record Haas, Georg, 1905- en_US 2005-10-06T16:25:38Z 2005-10-06T16:25:38Z 1955 en_US
dc.description 24 p. : ill. ; 24 cm. en_US
dc.description Includes bibliographical references (p. 23-24). en_US
dc.description.abstract "The strangest features in the arrangement of the head muscles in Protoceratops consist in the orbital location of the pseudotemporalis as in the Psittaci and in the slight muscular covering of the lateral surface of the mandible. In particular, the deep excavation at the ventrolateral face of the dentary and angular requires an explanation. Perhaps this area was filled with a bulky gland, something like an accessory infralabial gland, corresponding to the similar concavity along the upper dental series. Perhaps the peculiar type of dental occlusion caused a ventral shifting of the infralabial gland, whereas the supralabial remained near the upper dental series, as the lateral maxillary excavation seems to indicate. Other peculiarities of the muscular arrangement consist in the differentiation of an accessory adductor externus superficialis, emerging from the jugal-epijugal prominence, and in the possibility of an encroachment of anterior pseudotemporalis fibers craniolaterally of the coronoid elevation"--P. 23. en_US
dc.format.extent 2359251 bytes
dc.format.mimetype application/pdf
dc.language eng en_US
dc.language.iso en_US
dc.publisher New York, N.Y. : American Museum of Natural History en_US
dc.relation.ispartofseries American Museum novitates ; no. 1729 en_US
dc.subject.lcc QL1 .A436 no.1729, 1955 en_US
dc.subject.lcsh Protoceratops -- Anatomy. en_US
dc.subject.lcsh Ceratopsidae -- Anatomy. en_US
dc.subject.lcsh Jaws -- Muscles. en_US
dc.subject.lcsh Masticatory muscles. en_US
dc.title The jaw musculature in Protoceratops and in other ceratopsians. American Museum novitates ; no. 1729 en_US
dc.type text en_US

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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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