MolluscaBase name details
Planorbis (Helisoma) altivolvis Cossmann, 1889 †
1262943 (urn:lsid:marinespecies.org:taxname:1262943)
unaccepted > superseded combination
Species
fossil only
Cossmann, M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pls 1-12., available online at https://www.biodiversitylibrary.org/page/5502754
page(s): 334-335, pl. 2, figs 43-45 [details]
page(s): 334-335, pl. 2, figs 43-45 [details]
Note Montjavoult (Hérouval), Oise, and...
Type locality Montjavoult (Hérouval), Oise, and Neauphlette, Yvelines, France; Lutetian, middle Eocene [details]
MolluscaBase eds. (2021). MolluscaBase. Planorbis (Helisoma) altivolvis Cossmann, 1889 †. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1262943 on 2025-09-10
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original description
Cossmann, M. (1889). Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris. <em>Annales de la Société Royale Malacologique de Belgique.</em> 24: 3-381, pls 1-12., available online at https://www.biodiversitylibrary.org/page/5502754
page(s): 334-335, pl. 2, figs 43-45 [details]
page(s): 334-335, pl. 2, figs 43-45 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Montjavoult (Hérouval), Oise, and Neauphlette, Yvelines, France; Lutetian, middle Eocene [details]
