Galapagos Species Database

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

Clypeaster rotundus (A. Agassiz, 1863)

bizcocho de mar redondo, Sand dollars

Depth: shore to 91 m

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Echinodermata

Class
Echinoidea

Order
Clypeasteroida

Suborder
Clypeasterina

Family
Clypeasteridae

Genus
Clypeaster

Species
rotundus

Taxon category: Accepted

Syn.: Clypeaster (Stolonoclypus) rotundus A. Agassiz, 1863 (subgeneric subdivision of Clypeaster not accepted by scientific community) Clypeaster riisei Lütken, 1864 (subjective junior synonym) Stolonoclypus rotundus A. Agassiz, 1863 (transferred to Clypeaster)

Origin: Native

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Mexico, Gulf of California, Baja California, Costa Rica, Panama, Revillagigedos, Cocos and Ecuador in Santa Elena and Galapagos Islands

References

  • Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
  • Hickin, N. (1979) Animal life of the Galapagos. Ferundune Books, Faringdon, U.K., 236 pp.
  • Hickman, C.P. Jr. (1998) A Field Guide to Sea Stars and other Echinoderms of Galápagos. Sugar Spring Press, Lexington, Virginia, 83 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.
  • Maluf, L.Y. (1991) Echinoderm Fauna of the Galápagos Islands. In: James, M.J. (ed.): Galápagos Marine Invertebrates. Taxonomy, Biogeography, and Evolution in Darwin's Islands. Plenum Press, New York and London, p. 345-367.
  • Sonnenholzner, J. Brand, M., Francisco, V., Hearn, A., Luzuriaga, M., Guarderas, P & Navarro, J. (2013) Echinoderms of Ecuador. In: Alvarado, J & Solís-Marín, A. (eds.) (2013) Echinoderm research and Diversity in Latin America. 183-233 pp.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Clypeaster rotundus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8579. Accessed 31 October 2026.