Pseudophasis nevilli (H. Adams, 1867:304)



Taxonomy & Nomenclature

Synonym/s: Stylodonta (Erepta) nevilli Adams, 1867:304 (original combination); Erepta nevilli (Adams, 1867:304)


This species is accidentally listed twice by (Cowie et al., 2017:28) (under both Erepta and Pseudophasis)


Conservation Status

Extinct (Griffiths & Florens, 2006; Régnier et al., 2009; Cowie et al., 2017)

Last record: subfossil (Griffiths & Florens, 2006)

IUCN RedList status: Extinct



Mauritius, Mascarene Islands


Biology & Ecology










Original scientific description:

Adams, Henry. (1867). Descriptions of new species of shells collected by Geoffrey Nevill, Esq., at Mauritius. Proceedings of the Zoological Society of London 1867: 303-307.


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.

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.

Griffiths, O. L. and Florens, V. F. B. (2006). A field guide to the non-marine molluscs of the Mascarene Islands (Mauritius, Rodrigues and Réunion) and the northern dependencies of Mauritius. Bioculture Press: Mauritius. Pp. i–xv, 1–185.

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

MolluscaBase eds. (2021). MolluscaBase. Pseudophasis nevilli (H. Adams, 1867). Accessed at: on 2022-03-26

Mollusc Specialist Group. (1996). Erepta nevilli. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. ( Downloaded on 07 October 2012.

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

Schileyko, Anatolij A. (2002). Treatise on recent terrestrial pulmonate molluscs. Part 9, Helicarionidae, Gymnarionidae, Rhysotinidae, Ariophantidae, Ruthenica, Supplement 2.


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