MolluscaBase source details
Clapp, G. H. (1899). Notes on two varieties of Pyramidula (Patula) alternata (Say). The Nautilus. 13(4): 41-42.
412931
Clapp, G. H.
1899
Notes on two varieties of <i>Pyramidula</i> (<i>Patula</i>) <i>alternata</i> (Say)
The Nautilus
13(4): 41-42
Publication
Date
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Pyramidula alternata var. costata (J. Lewis, 1871) accepted as Anguispira alternata (Say, 1817) (basis of record)
