Animalia → Gastropoda → Planorbidae

Great Basin Ramshorn

Helisoma newberryi

Invertebrate Animals

ORBIC List 1S1

State Rank

SX
S1
S2
S3
S4
S5

S1 — Critically Imperiled in Oregon

What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories

Ecoregions

N. Basin & Range
East Cascades

Counties

Klamath · Lake

Other states / provinces

CA

Range map

Certain
Possible
Extirpated
Absent