Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Ptilosarcus undulatus
pluma de mar, Sea pens
A bilateral colony displaying well developed polyp leaves, that bear one or more marginal rows of polyps.
Thought to be locally extinct after the 1982-83 El Nino, but rediscovered in 2006 at 38 m on Wolf island.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Cnidaria
Class
Anthozoa
Order
Scleralcyonacea
Superfamily
Pennatuloidea
Family
Pennatulidae
Genus
Ptilosarcus
Species
undulatus
Taxon category: Accepted
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Found from the Gulf of California to Peru, including the far-northern Bioregion of Galapagos Islands in Wolf, Isabela (Tagus Cove)
- 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.
- Hickman, C.P. Jr. (2008) A field guide to corals and other radiates of Galápagos. Sugar Spring Press, Lexington, Virginia, 162 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, Ptilosarcus undulatus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=12424. Accessed 16 October 2026.