The Bornean pithecheirops (Pithecheirops otion) is a species of rodent found in Borneo. It is monotypic in the genus Pithecheirops. Pithecheirops is closely related to the genus Pithecheir, and the name is derived from Pithecheir and the Greek ops, meaning "resembling".^[2] The only known example of this species was caught in the Danum Valley Field Centre in Sabah, north Borneo, at approximately 150 m.^[3]

Quick Facts Conservation status, Scientific classification ...

Bornean pithecheirops
Conservation status
Data Deficient  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Muridae
Tribe:	Millardini
Genus:	Pithecheirops Emmons, 1993
Species:	P. otion
Binomial name
Pithecheirops otion Emmons, 1993

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It is similar to species in the genus Pithecheir, both having long, dense, soft fur and broad feet. The species is distinguished by the appearance of the inner ear bones and auditory bulla.^[2]

It was found in "dense viny roadside secondary brush on an abandoned logging road".^[3] The dominant habitat of the area is lowland dipterocarp forest. IUCN lists the species as Data Deficient due to this being the only known example of the species. There is no information on population numbers or distribution to indicate if the species is at risk or not. However given the loss of forest and human disturbance in the area and the fact that it was found in a degraded habitat, it may be somewhat adaptable to habitat loss. ^[1]