Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Tonicia arnheimi
tonicia de Galápagos, Galapagos tonica
Length: 15 mm;width: 7 mm.
Shallow water (less than 200 m depth), subtidal.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Suborder
Chitonina
Superfamily
Chitonoidea
Family
Chitonidae
Genus
Tonicia
Species
arnheimi
Taxon category: Accepted
Syn.: Tonicia forbesii arnheimi, T. forbesii, T. crenulata, CAS: several lots (ex.: 40355, 40357, 40358, 40359, 40498, 42192), AMNH: 139045, 139046, 160721, USNM: 170297 (Holotype), LACM34-20, 34-21, 34-26, fide Kaiser (1997), C.P. Hickman collection 97-82, 97-173
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: 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.
- Kaiser, K.L. (1997) The recent molluscan marine fauna of the Islas Galápagos /. In The recent molluscan marine fauna of the Islas Galápagos. Kaiser, K. L. (1997). The recent molluscan marine fauna of the Islas Galápagos /. In The recent molluscan marine fauna of the Islas Galápagos / (p. 76). https://doi.org/10.5962/bhl.title.129924.
- 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, Tonicia arnheimi", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8758. Accessed 30 October 2026.