MolluscaBase name details
Helisoma (Pierosoma) trivolvis kolymense Lindholm, 1932 †
1373288 (urn:lsid:marinespecies.org:taxname:1373288)
unaccepted > superseded combination
Subspecies
fossil only
Lindholm W.A. (1932). On the finding of the American species Helisoma trivolvis Say (Gastropoda, Planobidae) in the Pleistocene deposits of the Kolyma River [= О нахождении американского Helisoma trivolvis Say (Gastropoda, Planorbidae) в плейстоцене р. Колымы]. <em>Trudy Komissii po izucheniyu proizvoditel'nykh sil AN SSSR. Seriya yakutskaya.</em> 11: 65–73. [In Russian].
page(s): 69, figs 1-4 [details] Available for editors
[request]
page(s): 69, figs 1-4 [details] Available for editors
[request]
Type locality contained in Yakutskiya
, Note Russia, Republic of Yakutia, Kolhyma River...
type locality contained in Yakutskiya [details]
From editor or global species database
Type locality Russia, Republic of Yakutia, Kolhyma River basin, the Quaternary deposits in the Omolon River mouth [details]
Fossil range Pleistocene
Fossil range Pleistocene [details]
MolluscaBase eds. (2025). MolluscaBase. Helisoma (Pierosoma) trivolvis kolymense Lindholm, 1932 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1373288 on 2025-09-11
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original description
Lindholm W.A. (1932). On the finding of the American species Helisoma trivolvis Say (Gastropoda, Planobidae) in the Pleistocene deposits of the Kolyma River [= О нахождении американского Helisoma trivolvis Say (Gastropoda, Planorbidae) в плейстоцене р. Колымы]. <em>Trudy Komissii po izucheniyu proizvoditel'nykh sil AN SSSR. Seriya yakutskaya.</em> 11: 65–73. [In Russian].
page(s): 69, figs 1-4 [details] Available for editors [request]
page(s): 69, figs 1-4 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
