Poecilozonites bermudensis Pfeiffer, 1845

Greater Bermuda land snail



Taxonomy & Nomenclature

Synonym/s: Poecilozonites bermudensis bermudensis Pfeiffer, 1845


Conservation Status

Rediscovered in 2014





Biology & Ecology










Original scientific description:

Pfeiffer, L. (1845). Description of twenty-two new species of Land-Shells, belonging to the collection of Mr. H. Cuming. Proceedings of the Zoological Society of London 13(147): 63-68.

Other references:

Bieler, R. and Slapcinsky, J. (2000). A case study for the development of an island fauna: Recent terrestrial mollusks of Bermuda. Nemouria 44: 1-99.

Copeland, Alison and Hesselberg, Thomas. (2022). Habitat preferences of the Critically Endangered greater Bermuda land snail Poecilozonites bermudensis in the wild. Oryx 56(1): 34-37.

Flewitt, Amber, Williams, Leah J., Preziosi, Richard and Garcia, Gerardo. (2023). Tagging and location preferences to inform post-release monitoring of
the Greater Bermuda land snail Poecilozonites bermudensis
. Journal of Zoo and Aquarium Research 11(3): 345-349.

Hearty, Paul J. and Olson, Storrs L. (2010). Geochronology, biostratigraphy, and changing shell morphology in the land snail subgenus Poecilozonites during the Quaternary of Bermuda. Palaeogeography, Palaeoclimatology. Palaeoecology, 293: 9-29

Hearty, Paul J. and Olson, Storrs L. (2019). Environmental stress and iterative paedomorphism in shells of Poecilozonites (Gastropoda:Gastrodontidae) from Bermuda. Palaios 34(1): 32-42. [Abstract]

MolluscaBase eds. (2021). MolluscaBase. Poecilozonites bermudensis (L. Pfeiffer, 1845). Accessed at: on 2022-03-07

Outerbridge, Mark E. (2015). The Greater Bermuda Land Snail Poecilozonites bermudensis – a Lazarus species discovered in the center of an urban environment. JNCC 2015 Poster.

Outerbridge, M. E. and Sarkis, S. C. (2018). Recovery Plan for the Endemic Land Snails of Bermuda, Poecilozonites bermudensis and Poecilozonites circumfirmatus. Department of Environment and Natural Resources, Flatts, Bermuda.


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