Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Theama occidua
platelminto, flatworm
sandy beaches
Domain
Eukaryota
Kingdom
Animalia
Phylum
Platyhelminthes
Order
Polycladida
Suborder
Cotylea
Superfamily
Boninioidea
Family
Theamatidae
Genus
Theama
Species
occidua
Taxon category: Accepted
Syn.: Eutheama occidua Sopott-Ehlers & Schmidt, 1975 (Horton et al., 2021).
Origin: Native
- 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.
- 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.
- Westheide, W. (1991) The meiofauna of the Galápagos: a review. In: M.J. James (ed.): Galápagos marine invertebrates. Taxonomy, biogeography, and evolution in Darwin´s islands. Plenum Press, New York and London, p. 37-73.
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, Theama occidua", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=15055. Accessed 6 November 2026.