Naesiotus tanneri (Dall, 1895)

Tanner’s bulimulus



Taxonomy & Nomenclature

Synonym/s: Bulimulus tanneri Dall, 1895


Conservation Status

Missing (Cowie et al., 2017)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Santa Cruz, Galápagos Islands, Ecuador


Biology & Ecology










Original scientific description:

Dall, W. H. (1895). New species of land-shells from the Galápagos Islands. Nautilus 8: 126-127.


Other references:

Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

Breure, Abraham S. H. and Borrero, F. 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.

Breure, Abraham S. H. and Coppois, Guy. (1978). Notes On the Genus Naesiotus Albers, 1850 (Mollusca, Gastropoda, Bulimulidae). Netherlands Journal of Zoology 28(2): 161-192.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Dall, William Healey. (1900). Additions to the insular land-shell faunas of the Pacific coast, especially of the Galapagos and Cocos Islands. Proceedings of the Academy of Natural Sciences of Philadelphia [1900]: 88-106.

Dall, W. H. and Ochsner, W. H. (1928). Landshells of the Galapagos Islands. Proceedings of the California Academy of Sciences, 4th Series. 17(5): 141-185.

Groombridge, B. (ed.). (1994). 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. (1990). 1990 IUCN Red List of Threatened Animals. Gland, Switzerland and Cambridge, UK.

MolluscaBase eds. (2021). MolluscaBase. Naesiotus tanneri (Dall, 1895). Accessed at: on 2022-04-02

Parent, C. (2003). Bulimulus tanneri. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 17 June 2013.

Parent, C. 2003. Bulimulus tanneri. The IUCN Red List of Threatened Species 2003: e.T3307A9754988. Accessed on 09 July 2022.

Smith, A.G. (1964) Land snails of the Galápagos. In: Bowman, R.I. (ed.): The Galápagos. Proc. Symposia G.I.S.P., Univ. Calif. Press, Berkeley: 240-251.


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