MolluscaBase name details
Cyclostoma helicinaeformis de Boissy, 1848 †
1338890 (urn:lsid:marinespecies.org:taxname:1338890)
unaccepted > superseded combination
Species
Cyclostoma Draparnaud, 1801 accepted as Pomatias S. Studer, 1789
fossil only
De Boissy, S.-A. (1848). Description de coquilles fossiles du calcaire lacustre de Rilly-la-Montagne, près Reims. <em>Mémoires de la Société Géologique de France, deuxième série.</em> 3(1): 265-285., available online at https://www.biodiversitylibrary.org/page/42336103
page(s): 282, pl. 6, figs 16a-b [details]
page(s): 282, pl. 6, figs 16a-b [details]
Note Rilly-la-Montagne, Marne, France; Calcaire de...
Type locality Rilly-la-Montagne, Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
MolluscaBase eds. (2021). MolluscaBase. Cyclostoma helicinaeformis De Boissy, 1848 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1338890 on 2025-09-10
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original description
De Boissy, S.-A. (1848). Description de coquilles fossiles du calcaire lacustre de Rilly-la-Montagne, près Reims. <em>Mémoires de la Société Géologique de France, deuxième série.</em> 3(1): 265-285., available online at https://www.biodiversitylibrary.org/page/42336103
page(s): 282, pl. 6, figs 16a-b [details]
page(s): 282, pl. 6, figs 16a-b [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Rilly-la-Montagne, Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
From editor or global species database
Hosted externally
