Draft:Bronze shoulderband snail

Helminthoglypta arrosa is a species.

Taxonomy
Helminthoglypta arrosa contains the following subspecies:
 * Helminthoglypta arrosa monticola
 * Helminthoglypta arrosa arrosa
 * Helminthoglypta arrosa marinensis
 * Helminthoglypta arrosa pomoensis
 * Helminthoglypta arrosa humboldtica