Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian. American Museum novitates ; no. 3347

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dc.contributor.authorBoyd, Donald Wilkin.en_US
dc.contributor.authorNewell, Norman Dennis, 1909-en_US
dc.contributor.authorCooper, G. Arthur (Gustav Arthur), 1902-en_US
dc.contributor.authorNational Museum of Natural History (U.S.)en_US
dc.date.accessioned2005-10-06T16:42:14Z
dc.date.available2005-10-06T16:42:14Z
dc.date.issued2001en_US
dc.description10 p. : ill. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 9-10).en_US
dc.description.abstractThe description here of Leptodesma falcata, new species, continues our ongoing study of bivalve mollusks of the Permian-Triassic faunal crisis. Our collection of silicified valves is from a single locality in the intensively sampled Permian strata of West Texas, which suggests that L. falcata appeared and became extinct rapidly. Such easily missed endemic populations may explain the disjunct records of some Permo-Triassic Lazarus taxa. Unusual features of the new species include its simple dentition, in contrast to the complex array of teeth of middle Paleozoic pterineids, and its evidence of fibrous prismatic microstructure, an addition to the known microstructural variability of the family.en_US
dc.format.extent711574 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/2900
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 3347en_US
dc.subject.lccQL1 .A436 no.3347 2001en_US
dc.subject.lcshLeptodesma falcata.en_US
dc.subject.lcshBivalvia, Fossil -- Texas -- Glass Mountains.en_US
dc.subject.lcshMollusks, Fossil -- Texas -- Glass Mountains.en_US
dc.subject.lcshPaleontology -- Permian -- Texas -- Glass Mountains.en_US
dc.subject.lcshPaleontology -- Texas -- Glass Mountains.en_US
dc.titleSilicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian. American Museum novitates ; no. 3347en_US
dc.typetexten_US

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