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Taxonomy > Arcidae > Calloarca
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Calloarca alternata (Sowerby I, 1833)

  • Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 40
  • Coan & Valentich-Scott (2012) Bivalve Seashells of Tropical West America. Marine Bivalve Mollusks from Baja California to Northern Peru. - p. 164
  • Gurgo Salice & Cáceres Martínez (2021) Baja Californian sea shells. - p. 208

Statistics

Frequencyoccasional - 14 localities (7.04 %)
Sediment29 (0 fine >> 100 coarse sediment)

Size and comments

The literature indicates a length of 41mm that is even exceeded by beach finds. Valves disarticulated.

Images

Length 47.6mm.

Length 47.6mm.

Taxonomy > Arcidae > Calloarca
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30.09.2026 • Version 13.0