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 2.7 to 4.0 millimetres (0.11 to 0.16 in), with a circumference approximately half its height. It has 5.0 to 7.0 whorls and is colorless/transparent.[2]

References

  1. ^ Bogan, A.E. (1996). "Tryonia angulata". IUCN Red List of Threatened Species. 1996: e.T22422A9372495. doi:10.2305/IUCN.UK.1996.RLTS.T22422A9372495.en. Retrieved 17 November 2021.
  2. ^ a b Hershler, Robert; Sada, D. (1987). "Springsnails (Gastropoda: Hydrobiidae) of Ash Meadows, Amargosa Basin, California-Nevada". Proceedings of the Biological Society of Washington. 100: 776–843. hdl:10088/11319. Retrieved April 7, 2012.
  • 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


Allikas: http://en.wikipedia.org/wiki/Tryonia_angulata
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