Home	Taxonomy	Distribution	Miscellaneous

Pseudomelatomidae Genera and species Crassispira Crassispira bifurca (Smith, 1888) Crassispira incrassata (Sowerby I, 1834) Crassispira pluto Pilsbry & Lowe, 1932* Crassispira tepocana Dall, 1919* Hormospira Hormospira maculosa (Sowerby I, 1834) Knefastia Knefastia dalli Bartsch, 1944 Knefastia olivacea (Sowerby I, 1834) Pilsbryspira Pilsbryspira nymphia (Pilsbry & Lowe, 1932)