New name for Cylindrella intermedia G. B. Sowerby II, 1877 (Eupulmonata: Stylommatophora: Urocoptidae), selection of neotype, and clarification of type locality

Rodrigo Brincalepe Salvador; Dennis R. Uit de Weerd; Gary Rosenberg

doi:10.12657/folmal.033.022

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New name for Cylindrella intermedia G. B. Sowerby II, 1877 (Eupulmonata: Stylommatophora: Urocoptidae), selection of neotype, and clarification of type locality

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New name for Cylindrella intermedia G. B. Sowerby II, 1877 (Eupulmonata: Stylommatophora: Urocoptidae), selection of neotype, and clarification of type locality

Rodrigo Brincalepe Salvador, Dennis R. Uit de Weerd and Gary Rosenberg

Folia Malacologica, v 33(4)

13 Nov 2025

DOI: https://doi.org/10.12657/folmal.033.022

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Abstract

Jamaica

land snails

neotype

Spirostemma louhiae nom. nov.

Urocoptoidea

Cylindrella intermedia G. B. Sowerby II, 1877, a land snail endemic to Jamaica, has long suffered from taxonomic ambiguity due to its vague original description, lack of a designated type locality, and the absence of type specimen(s). Although later reassigned to the genus Spirostemma based on shell morphology, the species has remained poorly documented in both the literature and in natural history collections. Complicating its nomenclature further, C. intermedia G. B. Sowerby II, 1877 is a primary homonym of Cylindrella brevis var. intermedia C. B. Adams, 1849. This study reexamines new and historical collection specimens, provides a redescription for the species based on conchological features, designates a neotype to establish a definitive type locality, and proposes a replacement name to resolve the homonymy: Spirostemma louhiae nom. nov.

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Title: New name for Cylindrella intermedia G. B. Sowerby II, 1877 (Eupulmonata: Stylommatophora: Urocoptidae), selection of neotype, and clarification of type locality
Creators: Rodrigo Brincalepe Salvador - University of Helsinki
Dennis R. Uit de Weerd - Open University of the Netherlands
Gary Rosenberg - Drexel University, Academy of Natural Sciences of Drexel University
Publication Details: Folia Malacologica, v 33(4)
Publisher: The Association of Polish Malacologists
Number of pages: 6
Resource Type: Journal article
Language: English
Academic Unit: Biodiversity, Earth, and Environmental Science (BEES); Malacology
Web of Science ID: WOS:001654676700004
Scopus ID: 2-s2.0-105024999794
Other Identifier: 991022133522904721

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Collaboration types: Domestic collaboration; International collaboration
Web of Science research areas: Zoology