MolluscaBase source details
Baker, F. C. (1928). The Mollusca of Chautauqua Lake, New York, with descriptions of a new variety of Ptychobranchus and of Helisoma. The Nautilus. 42(2): 48-60.
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Baker, F. C.
1928
The Mollusca of Chautauqua Lake, New York, with descriptions of a new variety of <i>Ptychobranchus</i> and of <i>Helisoma</i>
The Nautilus
42(2): 48-60
Publication
Helisoma trivolvis var. chautauquensis F. C. Baker, 1928 accepted as Planorbella trivolvis (Say, 1817) (original description)
Ptychobranchus fasciolaris var. lacustris F. C. Baker, 1928 accepted as Ptychobranchus fasciolaris (Rafinesque, 1820) (original description)
Ptychobranchus fasciolaris var. lacustris F. C. Baker, 1928 accepted as Ptychobranchus fasciolaris (Rafinesque, 1820) (original description)
