MolluscaBase taxon details
Planorbella valens (A. B. Leonard & Franzen, 1944) †
1420146 (urn:lsid:marinespecies.org:taxname:1420146)
accepted
Species
Helisoma valens A. B. Leonard & Franzen, 1944 † · unaccepted > superseded combination
fossil only
(of Helisoma valens A. B. Leonard & Franzen, 1944 †) Leonard, A.B.; Franzen, D.S. (1944). Mollusca of the Laverne Formation (Lower Pliocene) of Beaver County, Oklahoma. <em>The University of Kansas Science Bulletin.</em> 30(1): 15-39., available online at https://biodiversitylibrary.org/page/2994493
page(s): 24-25, pl. 5, fig. 24 [details]
page(s): 24-25, pl. 5, fig. 24 [details]
Type locality contained in Oklahoma
type locality contained in Oklahoma [from synonym] [view taxon] [details]
MolluscaBase eds. (2025). MolluscaBase. Planorbella valens (A. B. Leonard & Franzen, 1944) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1420146 on 2025-09-10
Date
action
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The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Helisoma valens A. B. Leonard & Franzen, 1944 †) Leonard, A.B.; Franzen, D.S. (1944). Mollusca of the Laverne Formation (Lower Pliocene) of Beaver County, Oklahoma. <em>The University of Kansas Science Bulletin.</em> 30(1): 15-39., available online at https://biodiversitylibrary.org/page/2994493
page(s): 24-25, pl. 5, fig. 24 [details]
basis of record 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): 66-67 [details] Available for editors
[request]
page(s): 24-25, pl. 5, fig. 24 [details]
basis of record 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): 66-67 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
