The sportingoods tryonia, scientific name Tryonia angulata, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Hydrobiidae. This species is endemic to the United States.
Description The shell of this species is about , with a circumference approximately half its height. It has 5.0 to 7.0 whorls and is colorless/transparent.
References
Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, et al. (1998), Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed., American Fisheries Society Special Publication 26, p. 526, American Fisheries Society, Bethesda, Maryland, USA