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Taxonomy > Arcidae > Arca < Previous species - Next species > (within the family) Arca pacifica (Sowerby I, 1833) Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 38 Brusca (1980) Common intertidal marine invertebrates of the Gulf of California. 2nd edition. - p. 133 Huber (2010) Compendium of Bivalves. - p. 129 Coan & Valentich-Scott (2012) Bivalve Seashells of Tropical West America. Marine Bivalve Mollusks from Baja California to Northern Peru. - p. 162 Bertsch & Aguilar Rosas (2016) Invertebrados Marinos del Noroeste de México. Marine Invertebrates of Northwest Mexico. - p. 150 Gurgo Salice & Cáceres Martínez (2021) Baja Californian sea shells. - p. 210 Statistics Frequency very common - 186 localities (81.41 %) Sediment 39 (0 fine >> 100 coarse sediment) Size and comments The literature reports a maximum length of 128mm what is nearly reached by beach specimens. Images Length 75.5mm. Taxonomy > Arcidae > Arca < Previous species - Next species > (within the family)