Pleurocerid Snails

SPECIES ID / Invertebrates

Gilled Snails

Pleurocerid Snails

  • 153 species in North America, most in the east
Phylum: Mollusca
Class: Gastropoda
Order: Prosobranchia
Family: Pleuroceridae

Identification Tips:

• Elongated spiral shape with opening on right if facing with point up
• Whorls do not bulge out distinctly; flat profile
• Operculum small and often hidden
• 10-40 mm

Life History:

• Primarily found in rocky riffles or sandy shoals of rivers
• May be extremely abundant
• Feed on scraped algae and periphyton

Very Sensitive Somewhat Sensitive Facultative Somewhat Tolerant Very Tolerant
  Most Some    

Primary Information Source:
Voshell, J. Reese. 2002. A Guide to Common Freshwater Invertebrates of North America. McDonald and Woodward Publishing Company. Blacksburg, Virginia.