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Taxonomy > Columbellidae > Parvanachis < Previous species - Next species > (within the family) Parvanachis pygmaea (Sowerby I, 1832) Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 585 Skoglund (2002) Panamic province molluscan literature: additions and changes from 1971 through 2000. III Gastropoda. - p. 132 Battaglia & Bertoli Battaglia (2020) Seashells of Las Perlas / Conchiglie delle Isole delle Perle. - p. 64 Gurgo Salice & Cáceres Martínez (2021) Baja Californian sea shells. - p. 72 Statistics Frequency rare - 7 localities (3.52 %) Sediment 50 (0 fine >> 100 coarse sediment) Size and comments The literature gives a maximum length of 6mm that is slightly exceeded by beach finds. More common at the southernmost part of the peninsula of Baja California. Images Length 7.1mm. Taxonomy > Columbellidae > Parvanachis < Previous species - Next species > (within the family)