Animalia → Gastropoda → Zonitidae

Broadwhorl Tightcoil

Pristiloma johnsoni

Photo of Pristiloma johnsoni

Justin Altemus · CC-BY-NC

ORBIC List 3S3

State Rank

SX
S1
S2
S3
S4
S5

S3Vulnerable in Oregon

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

Ecoregions

Coast Range
West Cascades
Willamette Valley

Counties

Clackamas · Clatsop · Curry · Douglas · Hood River · Lane · Multnomah

Other states / provinces

WA, BC

Range map

Certain
Possible
Extirpated
Absent