Wet rock physa

The Wet rock physa, scientific name Physella zionis, is a species of freshwater snail, an aquatic pulmonate gastropod mollusc in the family Physidae, the bladder snails. This species is endemic to two connected canyons, Zion Canyon and Orderville Canyon, along the north fork of the Virgin River in Zion National Park, Washington County, Utah, a stretch of about 5 kilometers (3.1 mi) (Oliver & Bosworth 1999).

Wet rock physa
Conservation status
Vulnerable  (IUCN 2.3)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Physidae
Genus:	Physella
Species:	P. zionis
Binomial name
Physella zionis Pilsbry, 1926

References

1. Bogan, A.E. (1996). "Physella zionis". IUCN Red List of Threatened Species. 1996: e.T17243A6890911. doi:10.2305/IUCN.UK.1996.RLTS.T17243A6890911.en. Retrieved 17 November 2021.

Oliver, G. V. and Bosworth, W. R. III. (1999). Rare, Imperiled, and Recently Extinct or Extirpated Mollusks of Utah: A Literature Review. Utah Division of Wildlife Resources. Publication Number 99-29.