Gastropoda - Neogastropoda - Buccinidae

Alternative combination: Siphonalia bicarinata monospina

Full reference: F. E. Turner. 1938. Stratigraphy and Mollusca of the Eocene of western Oregon. Geological Society of America Special Paper (10)1-130

Belongs to Siphonalia (Nassicola) bicarinata according to J. W. Ruth 1942

See also Turner 1938

Sister taxa: Siphonalia (Nassicola) bicarinata crooki, Siphonalia (Nassicola) bicarinata packi, Siphonalia (Nassicola) bicarinata wheatlandensis

Type specimen: UC 33678, a shell

Distribution: there are no occurrences of Siphonalia (Nassicola) bicarinata monospina in the database

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