Naesiotus blombergi (Odhner, 1951:255)



Taxonomy & Nomenclature

Synonym/s: Bulimulus blombergi Odhner, 1951; Naesiotus deroyi A.G. Smith, 1972


Conservation Status


Last record: 1970's (Parent & Coppois, 2009)

IUCN RedList status: Vulnerable



Santa Cruz, Galápagos Islands, Ecuador


Biology & Ecology




Holotype: NRS collection (Breure & Borrero, 2008:11)

USNM 735981 (N. deroyi; n=4 dry specimens; Cambers & Steadman, 1986:99)

USNM 861505 (Chambers & Steadman, 1986:99)

CAS 13730 (N. deroyi; Cambers & Steadman, 1986:99)

MCZ 280009 (N. deroyi; n=4 alcohol-preserved specimens; Cambers & Steadman, 1986:99)







Original scientific description:

Odhner, N. (1950). Studies on Galápagos bulimulids. Journal de Conchyliologie 90: 253-268.

Other references:

Breure, Abraham S. H. (1979). Systematics, phylogeny and zoogeography of Bulimulinae (Mollusca). Zoologische Verhandlingen (Rijksmuseum van Natuurlijke Historie, Leiden) 168: 3-200, 3 pls. [automatic download]

Breure, Abraham S. H. and Borrero, Francisco J. (2008). An annotated checklist of the land snail family Orthalicidae (Gastropoda: Pulmonata: Orthalicoidea) in Ecuador, with notes on the distribution of the mainland species. Zootaxa 1768: 1-40.

Chambers, Steven M. and Steadman, David W. (1986). Holocene terrestrial gastropod faunas from Isla Santa Cruz and Isla Floreana, Galápagos: evidence for late Holocene declines. Transactions of the San Diego Society of Natural History 21(6): 89-110.

Parent, Christine and Coppois, Guy. (2009). On the Snails’ Trail: Evolution and Speciation Among a Vanishing Tribe, pp. 74-81. In: De Roy, Tui (ed.). Galápagos: Preserving Darwin's Legacy. Bateman Ltd.

Richardson, C. L. (1995). Bulimulidae: catalog of species. Tryonia 28: 1-458.

Seddon, M. B. (1996). Bulimulus blombergi. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 17 June 2013.

Smith, Allyn Goodwin. (1972). Three new land snails from Isla Santa Cruz (Indefatigable Island), Galápagos. Proceedings of the California Academy of Sciences (4) 39: 7-24.


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