ammonites
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Ansomys crucifer Lopatin 1997 (mountain beaver)

Mammalia - Glires - Aplodontidae

PaleoDB taxon number: 108789

Full reference: A. V. Lopatin. 1997. The First Finding of Ansomys (Aplodontidae, Rodentia, Mammalia) in the Miocene of Kazakhstan. Paleontological Journal 31(6):667-670

Belongs to Ansomys according to S. B. Hopkins 2004

Sister taxa: Ansomys cyanotephrus, Ansomys descendens, Ansomys hepburnensis, Ansomys nevadensis, Ansomys nexodens, Ansomys orientalis, Ansomys shantungensis, Ansomys shanwangensis

Type specimen: PIN, no. 4516/202, a tooth (Left P4). Its type locality is Altynshokysu (bone bed IV), which is in an Oligocene terrestrial claystone in the Aral Formation of Kazakhstan.

Ecology: scansorial insectivore