Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Pinna rugosa
nacra rugosa, Wrinkled penshell
Length: 50 cm.
Shallow water (less than 200 m depth), is buried in the mud of bays, especially on inputs of mangrove tidal flow.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Mollusca
Class
Bivalvia
Order
Ostreida
Superfamily
Pinnoidea
Family
Pinnidae
Genus
Pinna
Species
rugosa
Taxon category: Accepted
CDRS: 999, 1001, 1002, 1179, FNRS-Belgian expedition to the Galapagos
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Baja California to Mexico (Guaymas), South of Panama and Ecuador (Galapagos Islands)
- Finet, Y. (2001) The marine mollusks of the Galapagos Islands: a documented faunal list. Editions du Muséum d' Histoire naturelle, Genève, 237 pp.
- Hickman, C.P. Jr. Finet, Y. (1999) A Field Guide to the Marine Molluscs of Galápagos. Sugar Spring Press, Lexington, Virginia, 150 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.
- Keen, A.M. (1958) Sea Shells of Tropical West America. Stanford University Press, Palo Alto, 1st edition, 624 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, Pinna rugosa", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8605. Accessed 31 October 2026.