Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Fissurella macrotrema
fisurela, Keyhole limpet
Length: 32 mm; width: 22 mm; height: 12 mm.
The shell is pale green, finely sculptured with radial cords and grooves,with broad rays of brown.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Order
Lepetellida
Superfamily
Fissurelloidea
Family
Fissurellidae
Genus
Fissurella
Species
macrotrema
Taxon category: Accepted
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: From Galapagos islands.
- Adams, C.B. (1852) Catalogue of shells collected at Panama, with notes on their synonymy, station, and geographical distribution. Annals of Lyceum of Natural History of New York 5: 229-549.
- Finet, Y. (1991) The Marine Mollusks of the Galapagos Islands. In: Galápagos Marine Invertebrate. Taxonomy, Biogeography, and Evolution in Darwin's Islands. Plenum Press. New York and London, p. 253-280.
- 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, Fissurella macrotrema", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=9255. Accessed 31 October 2026.