Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Caryocorbula biradiata (G. B. Sowerby I, 1833)

Almejas, Clams

(C. biradiata) Length: 13 mm; height: 9 mm; diameter: 6 mm.

(C. biradiata) Shallow water (less than 200 m depth)

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Mollusca

Class
Bivalvia

Order
Myida

Superfamily
Myoidea

Family
Corbulidae

Genus
Caryocorbula

Species
biradiata

Taxon category: Accepted

Syn.:Corbula biradiata G. B. Sowerby I, 1833, Corbula ecuabula Pilsbry & Olsson, 1941, Corbula polychroma Gould & Carpenter, 1857, Corbula rubra C. B. Adams, 1852, Juliacorbula elenensis Olsson, 1961 (Horton et al., 2021).; (C. biradiata) LACM: 38-193.14 (from Isla Santa Cruz, fide Coan, 2002), LACM: 34-43.22 (from Isla San Cristobal, fide Coan, 2002)

Origin: Native

Distribution

Distribution: (C. biradiata) Guaymas, Mexico, to Guayaquil, Ecuador.

References

  • Coan, E.V. (2002) The Eastern Pacific recent species of the Corbulidae (Bivalvia). Malacologia 44(1): 47-105.
  • Finet, Y. (2001) The marine mollusks of the Galapagos Islands: a documented faunal list. Editions du Muséum d' Histoire naturelle, Genève, 237 pp.
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
  • Keen, A.M. (1958) Sea Shells of Tropical West America. Stanford University Press, Palo Alto, 1st edition, 624 pp.

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This page should be cited as follows:

"Galapagos Species Database, Caryocorbula biradiata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=20047. Accessed 1 November 2026.