MolluscaBase name details
Helisoma triangulata Pierce, 2001 †
1419867 (urn:lsid:marinespecies.org:taxname:1419867)
unaccepted > incorrect grammatical agreement of specific epithet
Species
fossil only
Pierce, H.G.; Constenius, K.N. (2001). Late Eocene-Oligocene nonmarine mollusks of the northern Kishenehn Basin, Montana and British Columbia. <em>Annals of Carnegie Museum.</em> 70(1): 1-112.
page(s): 65-66, figs 14O-Q [details] Available for editors
[request]
page(s): 65-66, figs 14O-Q [details] Available for editors
[request]
Note Locality NFF-5/W-2, cut bank 350 m W of...
Type locality Locality NFF-5/W-2, cut bank 350 m W of Flathead River, 1.25 km S of mouth of Couldrey Creek, British Columbia, Canada; middle to late Chadronian, late Eocene [details]
MolluscaBase eds. (2021). MolluscaBase. Helisoma triangulata Pierce, 2001 †. Accessed at: http://molluscabase.org/aphia.php?p=taxdetails&id=1419867 on 2025-09-11
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original description
Pierce, H.G.; Constenius, K.N. (2001). Late Eocene-Oligocene nonmarine mollusks of the northern Kishenehn Basin, Montana and British Columbia. <em>Annals of Carnegie Museum.</em> 70(1): 1-112.
page(s): 65-66, figs 14O-Q [details] Available for editors [request]
page(s): 65-66, figs 14O-Q [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Locality NFF-5/W-2, cut bank 350 m W of Flathead River, 1.25 km S of mouth of Couldrey Creek, British Columbia, Canada; middle to late Chadronian, late Eocene [details]
