Abundant along a small stretch of the stream coming from Point of Rocks Spring. Two snail species are endemic to this spring Tyronia elata and Pyrgulopsis erythropoma. Based on Hershler and Sada (1987), this snail is Pyrgulopsis erythropoma.

Hershler, R. and D. W. Sada. 1987. Springsnails (Gastropoda: Hydrobiidae) of Ash Meadows, Armagosa Basin, California-Nevada. Proceedings of the Biological Society of Washington 100: 776-843.