CLASSE: GASTROPODA: TERRESTRE
FAMÍLIA: CLAUSILIIDAE
ESPÉCIE: Cyclonenia cyclostoma (L. Pfeiffer, 1850)
Tamanho médio: 20 mm
Ocorrência: Equador, sem localidade específica (Nordsieck, 2019)
Localidade tipo: “in archipelago koreano”
Nome original: Clausilia cyclostoma L. Pfeiffer, 1850
Fotos: (1,2) Natural History Museum, London: SYNTYPE de Cyclonenia cyclostoma, NHMUK 1985201, Equador, 20.5mm

Fontes:
Descrição original: (como Clausilia cyclostoma L. Pfeiffer, 1850) Pfeiffer, L. (1850). Descriptions of thirty new species of Tornatellina, Cylindrella, and Clausilia, from the collection of H. Cuming, Esq. Proceedings of the zoological Society of London. 17 (198) [“1849”]: 134-141. London [30 June]., disponível online em https://www.biodiversitylibrary.org/page/30572569
página(s): 135
Nordsieck, H. (2007). Worldwide Door Snails (Clausiliidae), Recent and Fossil. ConchBooks, Hackenheim, 214 pp.
página(s): 39
Breure, A. S. H., Roosen, M. T. & Ablett, J. D. (2022). Land and freshwater molluscs of mainland Ecuador: an illustrated checklist. Iberus. 40(1): 1-290.
página(s): 194, figs. 259A-C
Natural History Museum (2025). Natural History Museum (London) Collection Specimens. Occurrence dataset https://doi.org/10.5519/qd.cv5d8yso accessed via GBIF.org on 2025-12-31. https://www.gbif.org/occurrence/1056356059
Molluscabase: https://molluscabase.org/aphia.php?p=taxdetails&id=1291529