Kirkomys, a new florentiamyid (Rodentia, Geomyoidea) from the Whitneyan of Sioux County, Nebraska. American Museum novitates ; no. 2793

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dc.contributor.author Wahlert, John H. en_US
dc.date.accessioned 2005-10-06T17:05:27Z
dc.date.available 2005-10-06T17:05:27Z
dc.date.issued 1984 en_US
dc.identifier.uri http://hdl.handle.net/2246/3530
dc.description 8 p. : ill. ; 26 cm. en_US
dc.description Includes bibliographical references (p. 7-8). en_US
dc.description.abstract "Kirkomys milleri, a new genus and species of florentiamyid, is described from a partial skull. Participation of the palatine in the lateral wall of the anterior-alar fissure and long entostyle in the upper molars are derived characters shared with other florentiamyids. However, frontal flanges over the orbits are lacking; the position and size of certain foramina and the morphology of the premolar parallel conditions in living geomyoids and are derived relative to those in Florentiamys and Sanctimus. Kirkomys probably represents a florentiamyid lineage that is separate from these two genera. Heliscomys schlaikjeri is transferred to Kirkomys on evidence of dental morphology. Wear on the upper teeth indicates propalinal chewing. Certain facets show that lower teeth were widened by buccal styles. The crown pattern of the upper cheek teeth is similar to that of Perognathus. However, the teeth of Kirkomys, like those of other florentiamyids, are bunodont and broadened by an anteroposteriorly elongated entostyle. The diet was probably less abrasive than that of Perognathus"--P. [1]. en_US
dc.format.extent 1517258 bytes
dc.format.mimetype application/pdf
dc.language eng en_US
dc.language.iso en_US
dc.publisher New York, N.Y. : American Museum of Natural History en_US
dc.relation.ispartofseries American Museum novitates ; no. 2793 en_US
dc.subject.lcc QL1 .A436 no.2793, 1984 en_US
dc.subject.lcsh Kirkomys. en_US
dc.subject.lcsh Rodents, Fossil -- Nebraska -- Sioux County. en_US
dc.subject.lcsh Mammals, Fossil -- Nebraska -- Sioux County. en_US
dc.subject.lcsh Paleontology -- Oligocene -- Nebraska -- Sioux County. en_US
dc.subject.lcsh Paleontology -- Nebraska -- Sioux County. en_US
dc.title Kirkomys, a new florentiamyid (Rodentia, Geomyoidea) from the Whitneyan of Sioux County, Nebraska. American Museum novitates ; no. 2793 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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