MolluscaBase name details
Cyclonaias letsoni (Whitfield, 1907) †
1536195 (urn:lsid:marinespecies.org:taxname:1536195)
unaccepted > superseded combination
Species
fossil only
(of Unio letsoni Whitfield, 1907 †) Whitfield, R.P. (1907). Remarks on and descriptions of new fossil Unionidae from the Laramie clays of Montana. <em>Bulletin of the American Museum of Natural History.</em> 23(26): 623-628., available online at http://digitallibrary.amnh.org/handle/2246/650
page(s): 627, pl. 42, figs 1-4 [details]
page(s): 627, pl. 42, figs 1-4 [details]
MolluscaBase eds. (2021). MolluscaBase. Cyclonaias letsoni (Whitfield, 1907) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1536195 on 2025-07-12
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original description
(of Unio letsoni Whitfield, 1907 †) Whitfield, R.P. (1907). Remarks on and descriptions of new fossil Unionidae from the Laramie clays of Montana. <em>Bulletin of the American Museum of Natural History.</em> 23(26): 623-628., available online at http://digitallibrary.amnh.org/handle/2246/650
page(s): 627, pl. 42, figs 1-4 [details]
page(s): 627, pl. 42, figs 1-4 [details]