The Recently Extinct Plants and Animals Database

Achatinella decora (Férussac, 1821)

Decorated Oahu tree-snail



Taxonomy & Nomenclature

6 synonyms:

Achatinella perversa, Swainson

Achatinella guernea, Frick

Apex tumefactus, Gulick

Apex decorus, Ferrussac

Helix decora, Ferussac

Turbo lugubris sinistrorsus, Chemnitz. (1795: pl. 213, figs 3014, 3015)


Conservation Status

Last record: "uncommon by 1900"

IUCN RedList status: Extinct



Oahu, Hawaiian Islands, USA


Biology & Ecology










Chemnitz, J. H. (1795). Neues Systematisches Conchylien-Cabinet. Vol. XI. G.N. Raspe, Nürnberg [= Nuremberg). [xx] + 310 + [ii] p., pls 174-213.

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.

Cowie Robert H., Héros Virginie, Yeung Norine W. and Hayes Kenneth A. (2016). Annotated catalogue of types of Hawaiian land and fresh-water snails (Mollusca: Gastropoda) in the Muséum national d’Histoire naturelle, Paris, with lectotype designations. Zoosystema 38(2): 245-266.

Mollusc Specialist Group. (1996). Achatinella decora. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 19 September 2011.

Pilsbry, H. A. and Cooke, C. M. Jr. (1912-1914). Manual of Con-chology. Structural and systematic. With illustrations of the species. Second series: Pulmonata. Vol.22. Achatinellidae. Academy of Natural Sciences, Philadelphia. lviii + 428p., 63pls

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.


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