Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Clypeaster rotundus
bizcocho de mar redondo, Sand dollars
Depth: shore to 91 m
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
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
- 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.