Glyphyalus quillensis spec. nov. is described from the Caribbean island of St. Eustatius (Lesser Antilles). On the basis of similarities in shell and radula morphology, geographic distribution of the known species, and low similarity with the known CO1 sequences of North American and Palearctic Perpolita species, the new species is tentatively attributed to Glyphyalus, which we consider an independent genus, rather than a subgenus of Glyphyalinia. Glyphyalus quillensis spec. nov. appears to be confined to the upper slopes and crater of The Quill volcano, a protected nature reserve with remnants of the original vegetation cover. The species is therefore potentially of conservation value.


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Nederlandse Malacologische Vereniging

A.J. (Ton) de Winter, Sylvia van Leeuwen, & Ad Hovestadt. (2016). A new species of Glyphyalus (Gastropoda, Pulmonata, Oxychilidae) from the Dutch Caribbean island of St. Eustatius. Basteria, 80(1/3), 39–46.