MolluscaBase name details
Protokionoceras oneidaense (Walcott, 1883) †
1884812 (urn:lsid:marinespecies.org:taxname:1884812)
unaccepted > superseded combination
Species
marine, brackish, fresh, terrestrial
fossil only
(of Orthoceras oneidaense Walcott, 1883 †) Walcott C.D. (1883). Descriptions of new species of fossils from the Trenton Group of New York. <em>35th Annual Report of the New York State Museum of Natural History, 1884.</em> 207-214. [ Advanced print, Oct. 15, 1883: 1–8].
page(s): 22, pl. 1, fig. 7, 7a [details]
page(s): 22, pl. 1, fig. 7, 7a [details]
MolluscaBase eds. (2026). MolluscaBase. Protokionoceras oneidaense (Walcott, 1883) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1884812 on 2026-07-22
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original description
(of Orthoceras oneidaense Walcott, 1883 †) Walcott C.D. (1883). Descriptions of new species of fossils from the Trenton Group of New York. <em>35th Annual Report of the New York State Museum of Natural History, 1884.</em> 207-214. [ Advanced print, Oct. 15, 1883: 1–8].
page(s): 22, pl. 1, fig. 7, 7a [details]
basis of record Ruedemann, R. (1926). The Utica and Lorraine Formations of New York. Part 2: Systematic Paleontology. No 2: Mollusks, Crustaceans and Eurypterids. <em>New York State Museum Bulletin.</em> 272: 1-227., available online at https://www.biodiversitylibrary.org/page/57375821
page(s): 93, pl. 10, fig. 2, pl. 16, fig. 1 [details] Available for editors
[request]
new combination reference Frey R.C. (1995). Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. <em>U.S. Geological Survey Professional Paper.</em> 1066:1-126., available online at https://doi.org/10.3133/pp1066p
page(s): 59 [details] Available for editors [request]
page(s): 22, pl. 1, fig. 7, 7a [details]
basis of record Ruedemann, R. (1926). The Utica and Lorraine Formations of New York. Part 2: Systematic Paleontology. No 2: Mollusks, Crustaceans and Eurypterids. <em>New York State Museum Bulletin.</em> 272: 1-227., available online at https://www.biodiversitylibrary.org/page/57375821
page(s): 93, pl. 10, fig. 2, pl. 16, fig. 1 [details] Available for editors
[request]new combination reference Frey R.C. (1995). Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. <em>U.S. Geological Survey Professional Paper.</em> 1066:1-126., available online at https://doi.org/10.3133/pp1066p
page(s): 59 [details] Available for editors
[request]