Psychrophrynella

Psychrophrynella is a genus of frogs in the family Strabomantidae^[2] The genus is distributed on the Andes of southern Peru and Bolivia.^[3] One of the four species assessed by the International Union for Conservation of Nature (IUCN) is assessed as "Critically Endangered".^[4]

Psychrophrynella
Psychrophrynella usurpator
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Strabomantidae
Subfamily:	Holoadeninae
Genus:	Psychrophrynella Hedges, Duellman, and Heinicke, 2008[1]
Type species
Phrynopus bagrecito Lynch, 1986
Diversity
See text

The name Psychrophrynella is a contraction of the Greek psychros meaning cold and phrynos meaning toad, with the Greek diminutive suffix ella. It refers to their relatively cold habitats.^[1]

Description

Species of the genus Psychrophrynella are small frogs measuring between 14 and 33 mm (0.55 and 1.30 in) snout–vent length. They are characterized by narrow head, absence of differentiated tympanic membrane (except in Psychrophrynella boettgeri) and, in most species, absence of tympanic annulus. Dorsum is smooth, granular, or shagreen. Venter is finely granular, granular, or coarsely granular (but smooth in Psychrophrynella pinguis).^[1]

Species

The following species are recognised in the genus Psychrophrynella:^[3][2]

• Psychrophrynella bagrecito (Lynch, 1986)
• Psychrophrynella chirihampatu Catenazzi and Ttito, 2016
• Psychrophrynella glauca Catenazzi and Ttito, 2018
• Psychrophrynella usurpator De la Riva, Chaparro, and Padial, 2008
• Psychrophrynella vilcabambensis Condori, Acevedo-Rincón, Mamani, Delgado C., and Chaparro, 2020