Wollastonia vermetiformis (R. T. Lowe, 1855)



Taxonomy & Nomenclature

Synonym/s: Helix vermetiformis R. T. Lowe, 1855; Hystricella oxytropis sensu Seddon, 2008 (partim) (non H. oxytropis R.T. Lowe, 1831)


Conservation Status

Missing (de Mattia et al., 2018)

Last record: 1985 (recent shells)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Porto Santo, Madeiran Archipelago


Biology & Ecology










Original scientific description:

Lowe, R. T. (1855). Catalogus molluscorum pneumonatorum insularum Maderensium: or a list of all the land and freshwater shells, recent and fossil, of the Madeiran islands: arranged in groups according to their natural affinities; with diagnoses of the groups, and of the new or hitherto imperfectly defined species. Proceedings of the Zoological Society of London 22: 161-218. https://doi.org/10.1111/j.1469-7998.1854.tb07266.x


Other references:

Groh, K. (2017). Hystricella vermetiformis. The IUCN Red List of Threatened Species 2017: e.T107396913A107396917. http://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T107396913A107396917.en. Downloaded on 27 January 2018.

de Mattia, Willy, Neiber, Marco T. and Groh, Klaus. (2018). Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). Zookeys 732: 1-125. doi: 10.3897/zookeys.732.21677

Seddon, M. B. (2008). An illustrated compendium of the landsnails and slugs of the Madeiran archipelago. Studies in Biodiversity and Systematics of Terrestrial Organisms from the National Museum of Wales. BIOTIR Reports 2. National Museum of Wales, Cardif.


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