Potamocypris mastigophora is a species of ostracod crustacean in the family Cyprididae, subfamily Cypridopsinae.

[1] The carapace of P. mastigophora is laterally compressed, with length ranging from 0.55 to 0.64 mm.

[2] The left valve bears wide anterior and posterior flanges.

The second antennae carry swimming setae that extend beyond the tips of the terminal claws.

Data related to Potamocypris mastigophora at Wikispecies