MolluscaBase name details
Helix (Leucochroa) subsemperiana P. Thomas, 1888 †
1339125 (urn:lsid:marinespecies.org:taxname:1339125)
unaccepted > superseded combination
Species
Helix (Leucochroa) H. Beck, 1837 accepted as Theba Risso, 1826
fossil only
Thomas, P. (1888). Sur une forme ancestrale de l'<em>Helix (Leucochroa) candidissima</em> Draparnaud. <em>Bulletin de la Société des Sciences de Nancy, Série II.</em> 9(21): 80-88., available online at http://documents.irevues.inist.fr/bitstream/handle/2042/32174/ALS_1887_9_21.pdf?sequence=1
page(s): 83, unnumbered pl., figs 7-12 [details]
page(s): 83, unnumbered pl., figs 7-12 [details]
Type locality contained in Algeria
type locality contained in Algeria [details]
MolluscaBase eds. (2025). MolluscaBase. Helix (Leucochroa) subsemperiana P. Thomas, 1888 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1339125 on 2025-09-12
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Thomas, P. (1888). Sur une forme ancestrale de l'<em>Helix (Leucochroa) candidissima</em> Draparnaud. <em>Bulletin de la Société des Sciences de Nancy, Série II.</em> 9(21): 80-88., available online at http://documents.irevues.inist.fr/bitstream/handle/2042/32174/ALS_1887_9_21.pdf?sequence=1
page(s): 83, unnumbered pl., figs 7-12 [details]
page(s): 83, unnumbered pl., figs 7-12 [details]
Present Inaccurate Introduced: alien Containing type locality
