Galapagos Species Database

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

Diodora inaequalis (G. B. Sowerby I, 1835)

lapa de agujero tallado, Sculptured keyhole limpet

Length: 27 mm; width: 16 mm; height: 8 mm.

Shallow water (less than 200 m depth), subtidal.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Mollusca

Class
Gastropoda

Order
Lepetellida

Superfamily
Fissurelloidea

Family
Fissurellidae

Genus
Diodora

Species
inaequalis

Taxon category: Accepted

?Syn: Fissurella mus Reeve, 1850, AMNH: 86617, 110387 ?, 110430, ANSP: 81771, 152505, 153173, USNM: 59267, 102367, 153173, LACM: several lots, BMNH: 1966390 (3 Paratypes), acc. no. 2271: 1 lot (Charles Lyell coll., C. Darwin material), CDRS: 308, 1245, CLHI: 97-233 (CDRS), FNRS-Belgian expedition to the Galapagos, 1984, MHNG: expedition to the Galapagos,1993

Origin: Native

Status

IUCN Red List Category: Not evaluated

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Gulf of California to Ecuador including Galapagos Islands

References

  • 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.
  • 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.
  • Vinueza, L. Flores, M. (2002) Comunidades intermareales. 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. 98-118.

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, Diodora inaequalis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8640. Accessed 30 October 2026.