Wet rock physa

Wet rock physa

Critically Imperiled (NatureServe)[2]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Hygrophila
Family: Physidae
Genus: Physella
Species:
P. zionis
Binomial name
Physella zionis
Pilsbry, 1926

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).[3]

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.
  2. ^ NatureServe. "Physella zionis". NatureServe Explorer. Arlington, Virginia. Retrieved 16 March 2026.
  3. ^ Oliver, George V.; Bosworth III, William R.; State of Utah Department of Natural Resources (1999). Rare, Imperiled, and Recently Extinct or Extirpated Mollusks of Utah: A Literature Review" (Report). Publication Number 99-29. Utah Division of Wildlife Resources. OCLC 42291706. Archived from the original on 8 December 2024 – via Utah State University.