Pyrgulopsis minkleyi

Nymphophilus minckleyi is a species of very small freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae.

Distribution
This species is endemic to Cuatro Ciénegas valley, in the Chihuahuan Desert, Mexico.

Ecology
Predators of Mexithauma quadripaludium include the cichlid fish Herichthys minckleyi.