Species Regional Summary
Neptunea arthritica
Alaskan panhandle to N. of Puget Sound ( NEP-III )

Invasion

Invasion Description

1st Record: Skagit County/WA/Samish Bay (1953, Hanna 1966, Carlton 1979, 1 specimen)

Geographic Extent

Skagit County/WA/Samish Bay (1953, Hanna 1966, Carlton 1979, 1 specimen)