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First Jurassic triconodont from South America ; American Museum novitates, no. 3580

Show simple item record Rougier, Guillermo W. en_US Garrido, Alberto, paleontologist. en_US Gaetano, Leandro. en_US Puerta, Pablo. en_US Corbitt, Cynthia. en_US Novacek, Michael J. en_US 2007-09-18T14:03:50Z 2007-09-18T14:03:50Z 2007 en_US
dc.description 17 p. : ill., maps ; 26 cm. en_US
dc.description Includes bibliographical references (p. 12-16). en_US
dc.description.abstract "A new mammal from the Middle Jurassic CaŠnadon Asfalto Formation, Patagonia, Argentina, is reported. The specimen, an isolated lower? molariform, is erected as the type of a new genus and species of triconodont, Argentoconodon fariasorum. The molariform presents a peculiar combination of primitive and derived features that makes recognition of its affinities challenging. Argentoconodon shares similarities with poorly known triconodonts from the Jurassic of North America and Morocco and lacks the diagnostic traits of the triconodontid triconodonts. Argentoconodon resembles in general the paraphyletic 'amphilestid' triconodonts. The specimen is too incomplete to warrant broader interpretations, but it suggests that at least this lineage of South American mammals was distinctly autapomorphic, perhaps with an origin in forms with a broader geographical distribution"--P. [1]. en_US
dc.format.extent 716142 bytes
dc.format.mimetype application/pdf
dc.language eng en_US
dc.language.iso en_US
dc.publisher New York, NY : American Museum of Natural History en_US
dc.relation.ispartofseries American Museum novitates, no. 3580 en_US
dc.subject.lcc QL1 .A436 no.3580, 2007 en_US
dc.subject.lcsh Argentoconodon fariasorum. en_US
dc.subject.lcsh Mammals, Fossil -- Argentina -- Chubut. en_US
dc.subject.lcsh Paleontology -- Jurassic -- Argentina -- Chubut. en_US
dc.subject.lcsh Paleontology -- Argentina -- Chubut. en_US
dc.title First Jurassic triconodont from South America ; American Museum novitates, no. 3580 en_US
dc.title.alternative South American Jurassic triconodont 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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