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Microgale macpheei
''Microgale macpheei'' is an extinct shrew tenrec from southeastern Madagascar. It is known only from two partial skulls found in Andrahomana cave, which radiocarbon dating of associated rodent remains suggests are about 2000 years old. It is the only known recently extinct tenrec. First described in 2007, it is most similar to the smaller ''Microgale brevicaudata'' of northern and western Madagascar. ''M. macpheei'' has a broad rostrum (front part of the skull) and, like ''M. brevicaudata'', lacks a diastema (gap) between the premolars. A number of details of tooth morphology are characteristic of ''M. macpheei''.
==Taxonomy==
Remains of shrew tenrecs (''Microgale'') were found during expeditions to the cave of Andrahomana in southeastern Madagascar, led by David Burney in 2000 and 2003.〔Goodman et al., 2007, p. 368〕 The ''Microgale'' material was described as a new species, ''M. macpheei'', in 2007 by Steven Goodman, Natalie Vasey, and Burney.〔Goodman et al., 2007, p. 370〕 The species was named after Ross MacPhee in honor of his contributions to knowledge of the genus ''Microgale'' and the paleontology of Madagascar.〔Goodman et al., 2007, p. 371〕 Goodman and colleagues considered the living ''Microgale brevicaudata'' from northern and western Madagascar to be the closest relative of ''M. macpheei'';〔Goodman et al., 2007, p. 373〕 some populations of this tenrec have since been separated into a different species, ''M. grandidieri''.〔Olson et al., 2009, p. 1095〕 The common name "MacPhee's shrew tenrec" has been proposed for ''M. macpheei''.〔Muldoon et al., 2009, p. 1117〕 The genus of ''M. macpheei'', ''Microgale'', includes more than 20 species and is the largest of the tenrec family, which includes a variety of other Madagascan mammals.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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