Tags: Crustacean.
Disparithelphusa pecki is a species of freshwater crab in the family Pseudothelphusidae and the only species in the genus Disparithelphusa.The first specimens of D. pecki were collected by Stewart Peck in 1971 at an altitude of 600 metres (2000 ft) in the Valle Nacional Oaxaca Mexico (17°42′N 96°19′W).