Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Gari helenae
almeja de Helen, Helen jacknife clam
Length: 50 mm.
Shallow water (less than 200 m depth), Subtidal.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Mollusca
Class
Bivalvia
Order
Cardiida
Superfamily
Tellinoidea
Family
Psammobiidae
Genus
Gari
Species
helenae
Taxon category: Accepted
Syn.: G. regulaaris of authors, not of Carpenter, 1864, CDRS: 654, FNRS-Belgian expedition to the Galapagos, 1984, MHNG: expedition to the Galapagos, 1993, C.P. Hickman collection, from Isabela Island (August 1997)
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Gulf of California to Colombia and Ecuador (Galapagos Islands)
- 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.
- 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.
- 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, Gari helenae", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8636. Accessed 31 October 2026.