MolluscaBase source details
Pilsbry, H. A. (1925). Helminthoglypta umbilicata cayucosensis. The Nautilus. 38(3): 104-105.
350122
Pilsbry, H. A.
1925
<i>Helminthoglypta umbilicata cayucosensis</i>
The Nautilus
38(3): 104-105
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Helminthoglypta umbilicata cayucosensis Pilsbry, 1925 accepted as Helminthoglypta umbilicata (Pilsbry, 1898) (original description)
