Photo 1666581, (c) Tom Lawson, some rights reserved (CC BY-NC-ND), uploaded by Tom Lawson

Attribution	© Tom Lawson some rights reserved
Uploaded by	tlawson
Source	iNaturalist
Associated observations	Photos / Sounds 5 photos What Helminthoglypta arrosa ssp. humboldtica Observer tlawson Date June 12, 1999 01:24 AM PDT Place North of Richardson Grove, Humboldt Co., CA. (Google, OSM) Date Added March 29, 2015 01:24 AM PDT Description Helminthoglypta arrosa ssp. humboldtica This is an interesting subspecies of Helminthoglypta arrosa. More flattened, lighter shell and a more open umbilicus separate this subspecies. 4 comments 2 IDs Research Grade View
Associated taxa	CC Helminthoglypta arrosa ssp. humboldtica Info Photo (c) Tom Lawson, some rights reserved (CC BY-NC-ND), uploaded by Tom Lawson CC Bronze Shoulderband Snail (Helminthoglypta arrosa) Info Photo (c) Matthew Zlatunich, some rights reserved (CC BY-NC), uploaded by Matthew Zlatunich
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