An unusual pliosaur (Reptilia, Sauropterygia) from the Kimmeridgian (Upper Jurassic) of northeastern Mexico

Buchy, M. C., Frey, E., Salisbury, S. W., Stinnesbeck, W., Lopez-Oliva, J. G. and Gotte, M. (2006) An unusual pliosaur (Reptilia, Sauropterygia) from the Kimmeridgian (Upper Jurassic) of northeastern Mexico. Neues Jahrbuch fuer Geologie und Palaeontologie. Abhandlungen, 240 2: 241-270.

Author Buchy, M. C.
Frey, E.
Salisbury, S. W.
Stinnesbeck, W.
Lopez-Oliva, J. G.
Gotte, M.
Title An unusual pliosaur (Reptilia, Sauropterygia) from the Kimmeridgian (Upper Jurassic) of northeastern Mexico
Journal name Neues Jahrbuch fuer Geologie und Palaeontologie. Abhandlungen   Check publisher's open access policy
Translated journal name European Journal of Geology and Paleontology. Treatises
Language of Journal Name ger
ISSN 0077-7749
Publication date 2006
Sub-type Article (original research)
Volume 240
Issue 2
Start page 241
End page 270
Total pages 30
Place of publication Stuttgart, Germany
Publisher E. Schweizerbart'sche
Collection year 2006
Language eng
ger
Subject C1
260112 Palaeontology
780105 Biological sciences
06 Biological Sciences
Abstract We here describe the rostrum of a pliosaur from the Kimmeridgian of northeastern Mexico. The specimen comes from the Upper Jurassic La Casita Formation (Kimmeridgian - Tithonian) and represents one of the few Plesiosauria in the area. The internal anatomy of the specimen is partly visible through cross-sections, which reveal a hitherto undescribed rostral prolongation of a paired bone of the interorbital area, probably the parietal or frontal beneath the premaxillae. The specimen also provides new information on the morphology and function of the choanae. In light of these morphological data, the new pliosaur shows similarities both with the European Late Jurassic genus Pliosaurus and the Australian Early Cretaceous Kronosaurus.
Keyword Paleontology
Pliosauridae
Upper Jurassic
Kimmeridgian
Mexico
Cranial Anatomy
Marine Reptiles
Neuquen Basin
Western Cuba
Crocodyliformes
Plesiosauria
Thalattosuchia
Nothosaur
Argentina
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Wed, 15 Aug 2007, 10:53:57 EST