MolluscaBase source details
Pilsbry, H. A. (1895). Polygyra cereolus sanctijohannis n. var. The Nautilus. 9(5): 56.
349806
Pilsbry, H. A.
1895
<i>Polygyra cereolus sanctijohannis</i> n. var.
The Nautilus
9(5): 56
Publication
Date
action
by
Polygyra cereolus var. sanctijohannis Pilsbry, 1895 accepted as Polygyra septemvolva Say, 1818 (original description)
