MolluscaBase name details
Helix cyclostomoides Mousson, 1854
1720123 (urn:lsid:marinespecies.org:taxname:1720123)
unaccepted > junior homonym (non Helix cyclostomoides L. Pfeiffer, 1840)
Species
Mousson, A. (1854). Coquilles terrestres et fluviatiles recueillies par M. le Prof. Bellardi dans un voyage en Orient, 59 pp., 1 plate. Zürich (Zürcher & Furrer) [partly (namely pages 16-55) reprinted in 1854: Mittheilungen der Naturforschenden Gesellschaft in Zürich, 3 (8, 101): 362‑372; 3 (8, 102): 373‑388; 3 (8, 103): 389‑402. Page 1-15, the “Additions et corrections” and the “Explication de la planche” on page 55-59 and the plate were not published in the "Mittheilungen"]., available online at https://www.biodiversitylibrary.org/page/47588377
page(s): 11 [details]
page(s): 11 [details]
Note “l’Algérie” (Porro) [err.]
Type locality “l’Algérie” (Porro) [err.] [details]
MolluscaBase eds. (2025). MolluscaBase. Helix cyclostomoides Mousson, 1854. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1720123 on 2025-09-11
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original description
Mousson, A. (1854). Coquilles terrestres et fluviatiles recueillies par M. le Prof. Bellardi dans un voyage en Orient, 59 pp., 1 plate. Zürich (Zürcher & Furrer) [partly (namely pages 16-55) reprinted in 1854: Mittheilungen der Naturforschenden Gesellschaft in Zürich, 3 (8, 101): 362‑372; 3 (8, 102): 373‑388; 3 (8, 103): 389‑402. Page 1-15, the “Additions et corrections” and the “Explication de la planche” on page 55-59 and the plate were not published in the "Mittheilungen"]., available online at https://www.biodiversitylibrary.org/page/47588377
page(s): 11 [details]
identification resource Neubert, E.; Gosteli, M.; Bank, R. A. (2023). The molluscan species (Gastropoda; Bivalvia) described by Albert Mousson (1805–1890) and his collection in Zurich. <em>Vita Malacologica.</em> 21: 1-165 [31 May 2023].
page(s): 46, Plate 27, Fig. 9 [details] Available for editors
[request]
page(s): 11 [details]
identification resource Neubert, E.; Gosteli, M.; Bank, R. A. (2023). The molluscan species (Gastropoda; Bivalvia) described by Albert Mousson (1805–1890) and his collection in Zurich. <em>Vita Malacologica.</em> 21: 1-165 [31 May 2023].
page(s): 46, Plate 27, Fig. 9 [details] Available for editors

Syntype ZMZ 503816 [details]
From editor or global species database
Type locality “l’Algérie” (Porro) [err.] [details]