A unique pterioid bivalve from the early Triassic of Utah. American Museum novitates ; no. 3375

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dc.contributor.author Boyd, Donald Wilkin. en_US
dc.contributor.author Newell, Norman Dennis, 1909- en_US
dc.date.accessioned 2005-10-06T16:41:01Z
dc.date.available 2005-10-06T16:41:01Z
dc.date.issued 2002 en_US
dc.identifier.uri http://hdl.handle.net/2246/2864
dc.description 9 p. : ill. ; 26 cm. en_US
dc.description Includes bibliographical references (p. 9). en_US
dc.description.abstract "The new species Bakevellia? silberlingi is described from a single locality in the upper Thaynes Formation (mid-Spathian) near Salt Lake City. The 133 specimens studied are natural casts of siltstone freed from limestone in the laboratory by acid dissolution. In external form, B.? silberlingi resembles inequivalved and auriculate taxa of several pterioid families. However, its peculiar combination of hinge characters precludes unqualified assignment to either an established genus or family. The shallow, troughlike ligament scar extending backward from the beak resembles that of some pteriids, whereas the numerous teeth form a pattern typical of multivincular bakevelliids and their putative duplivincular ancestors. The new form is provisionally assigned to Bakevellia in recognition of the numerous characters it has in common with that familiar genus. The single-locality occurrence and unlikely mode of fossilization of this unusual taxon suggest that a significant amount of the diversity of early Triassic marine faunas may consist of short-lived, geographically isolated taxa awaiting discovery"--P. [1]. en_US
dc.format.extent 386504 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. 3375 en_US
dc.subject.lcc QL1 .A436 no.3375, 2002 en_US
dc.subject.lcsh Bakevellia silberlingi. en_US
dc.subject.lcsh Pterioida, Fossil -- Utah -- Salt Lake City Region. en_US
dc.subject.lcsh Bivalvia, Fossil -- Utah -- Salt Lake City Region. en_US
dc.subject.lcsh Mollusks, Fossil -- Utah -- Salt Lake City Region. en_US
dc.subject.lcsh Paleontology -- Triassic -- Utah -- Salt Lake City Region. en_US
dc.subject.lcsh Paleontology -- Utah -- Salt Lake City Region. en_US
dc.title A unique pterioid bivalve from the early Triassic of Utah. American Museum novitates ; no. 3375 en_US
dc.title.alternative Pterioid bivalve 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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