Animalia → Bivalvia → Unionidae
Western Ridged Mussel
Gonidea angulata
Sam Turner · CC-BY
ORBIC List 1S2S3SOC
State Rank
SX
S1
S2
S3
S4
S5
S2S3 — Imperiled in Oregon
G3
Global Rank
Vulnerable
SOC
Federal ESA
Species of Concern
List 1
ORBIC
Endangered in Oregon
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Blue Mountains
N. Basin & Range
Columbia Basin
Coast Range
East Cascades
Klamath Mountains
West Cascades
Willamette Valley
Counties
Baker · Benton · Clackamas · Columbia · Coos · Crook · Curry · Deschutes · Douglas · Gilliam · Grant · Harney · Jefferson · Josephine · Klamath · Lake · Lane · Linn · Malheur · Marion · Morrow · Multnomah · Polk · Sherman · Umatilla · Union · Wallowa · Wasco · Washington · Wheeler · Yamhill
Other states / provinces
BC, CA, ID, NV, WA +
Range map
Certain
Possible
Extirpated
Absent