Animalia → Gastropoda → Amnicolidae
Rocky Mountain Duskysnail
Colligyrus greggi
Invertebrate Animals
ORBIC List 2S2
State Rank
SX
S1
S2
S3
S4
S5
S2 — Imperiled in Oregon
G4
Global Rank
Apparently Secure
List 2
ORBIC
Threatened in Oregon
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Columbia Basin
East Cascades
West Cascades
Willamette Valley
Counties
Clackamas · Hood River · Multnomah · Wasco
Other states / provinces
ID, MT, UT, WA, WY
Range map
Certain
Possible
Extirpated
Absent