Isthmomys pirrensis (Goldman 1912)

[Oryzomys] pirrensis Goldman 1912, Smithson. Misc. Coll., 60 (2): 5.

Type Locality: Panamá, Darién Prov., Mt Pirri, headwaters of Río Limón, 4500 ft (1372 m).

Vernacular Names: Mt Pirri Deermouse.

Distribution: Easternmost Panamá and Serranía del Darién, extreme NW Colombia (see Alberico et al., 2000).

Conservation: IUCN – Lower Risk (nt).

Discussion: Whether I. pirrensis is a junior synonym of I. flavidus, as opined by Hooper (1968), has yet to be assessed.