Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Neorapana grandis
neorapana grande, Great neorapana
Length: 90 mm exceptionally to 120 mm.
On exposed rocky shores, where it was relatively common before the 1983 El Niño, now rare.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Order
Neogastropoda
Superfamily
Muricoidea
Family
Muricidae
Genus
Neorapana
Species
grandis
Taxon category: Accepted
Syn.: Monoceros grande Gray in G. B. Sowerby I, 1835, Purpura grayi Kiener, 1835, Thais (Neorapana) grandis (G. B. Sowerby I, 1835) fide Horton et al. ( 2021).
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.
- 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.
- IUCN (2023) The IUCN Red List of Threatened Species. Version 2022-2 Https://www.iucnredlist.org
- IUCN (2010) IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 26 April 2010.
- 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, Neorapana grandis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8062. Accessed 5 June 2026.