MolluscaBase taxon details
Proplina extensum (Berkey, 1898) †
1599959 (urn:lsid:marinespecies.org:taxname:1599959)
accepted
Species
Tryblidium extensum Berkey, 1898 † · unaccepted (basionym)
marine, brackish, fresh, terrestrial
fossil only
(of Tryblidium extensum Berkey, 1898 †) Berkey C.P. (1898). Geology of the St. Croix Dalles, III: Paleontology. <em>The American Geologist.</em> 21: 270-294.
page(s): 281, pl. 20, Figs. 16, 17 [details]
page(s): 281, pl. 20, Figs. 16, 17 [details]
MolluscaBase eds. (2025). MolluscaBase. Proplina extensum (Berkey, 1898) †. Accessed at: https://www.molluscabase.org/aphia.php/aphia.php?p=taxdetails&id=1599959 on 2025-09-12
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original description
(of Tryblidium extensum Berkey, 1898 †) Berkey C.P. (1898). Geology of the St. Croix Dalles, III: Paleontology. <em>The American Geologist.</em> 21: 270-294.
page(s): 281, pl. 20, Figs. 16, 17 [details]
basis of record Yochelson E. L., Webers G. F. (2006). A restudy of the Late Cambrian molluscan fauna of Berkey (1898) from Taylors Falls, Minnesota. <em>Minnesota Geological Survey Report of Investigations.</em> 64: 1-60.
page(s): 37, fig. 4 (B1, B2) [details] Available for editors
[request]
page(s): 281, pl. 20, Figs. 16, 17 [details]
basis of record Yochelson E. L., Webers G. F. (2006). A restudy of the Late Cambrian molluscan fauna of Berkey (1898) from Taylors Falls, Minnesota. <em>Minnesota Geological Survey Report of Investigations.</em> 64: 1-60.
page(s): 37, fig. 4 (B1, B2) [details] Available for editors
[request]