Galapagos Species Database

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

Pterothamnion orbignianum (A. Adams & Reeve)

Alga roja, Red algae

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Rhodophyta

Class
Florideophyceae

Order
Ceramiales

Family
Ceramiaceae

Genus
Pterothamnion

Species
orbignianum

Taxon category: Accepted

Syn.: Callithamnion orbignianum Montagne 1837, Antithamnion orbignianum (Montagne) De Toni 1903, Platythamnion orbignianum (Montagne) M.Howe 1914, Platythamnion heteromorphum f. reversum Setchell & N.L.Gardner 1903, Platythamnion reversum (Setchell & N.L.Gardner) Kylin 1925, Pterothamnion reversum (Setchell & N.L.Gardner) Athanasiadis & Kraft 1994 (Guiry & Guiry, 2021).

Origin: Native

Distribution

Distribution: Galapagos I.: (P. reversum var. laxum) Academy Bay - Santa Cruz, off Post Office Bay - Floreana (Taylor, 1945). Santa Cruz and Floreana (Silva, 1966). (P. reversum) America: Oregon (Guiry & Guiry, 2021).

References

  • Garske, L.E. (2002) Macroalgas Marinas. In: Danulat, E. & Edgar, G.J. (eds.) (2002): Reserva Marina de Galápagos. Línea Base de la Biodiversidad. Fundación Charles Darwin/Servicio Parque Nacional Galápagos, Santa Cruz, Galápagos, Ecuador, p. 419-439.
  • Guiry, M.D. Guiry, G.M. (2021) AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.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.
  • Miller, K.A. Garske, L.E. (2011) Galápagos Seaweeds. unpublished manuscript, 49 pp.
  • Silva, P.C. Meñez, E.G. & Moe, R.L. (1987) Catalog of the benthic marine algae of the Philippines. Smithsonian Contributions to Marine Sciences 27: [i-ii] iii-iv, 1-179, 2 figs, 1 table.
  • Taylor, W.R. (1945) Pacific marine algae of the Allan Hancock Expeditions to the Galapagos Islands. Allan Hancock Pac. Expedit., 12, iv+-528.

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, Pterothamnion orbignianum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=19821. Accessed 1 November 2026.