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

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dc.contributor.authorRougier, Guillermo W.en_US
dc.contributor.authorGarrido, Alberto, paleontologist.en_US
dc.contributor.authorGaetano, Leandro.en_US
dc.contributor.authorPuerta, Pablo.en_US
dc.contributor.authorCorbitt, Cynthia.en_US
dc.contributor.authorNovacek, Michael J.en_US
dc.date.accessioned2007-09-18T14:03:50Z
dc.date.available2007-09-18T14:03:50Z
dc.date.issued2007en_US
dc.description17 p. : ill., maps ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 12-16).en_US
dc.description.abstractA 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.en_US
dc.format.extent716142 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/5873
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates, no. 3580en_US
dc.subject.lccQL1 .A436 no.3580, 2007en_US
dc.subject.lcshArgentoconodon fariasorum.en_US
dc.subject.lcshMammals, Fossil -- Argentina -- Chubut.en_US
dc.subject.lcshPaleontology -- Jurassic -- Argentina -- Chubut.en_US
dc.subject.lcshPaleontology -- Argentina -- Chubut.en_US
dc.titleFirst Jurassic triconodont from South America ; American Museum novitates, no. 3580en_US
dc.title.alternativeSouth American Jurassic triconodonten_US
dc.typetexten_US

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