MolluscaBase name details
Orthoceras formosum Billings, 1857 †
1815553 (urn:lsid:marinespecies.org:taxname:1815553)
unaccepted > superseded combination
Species
marine, brackish, fresh, terrestrial
fossil only
Billings, E. (1857). New species of fossils from the Silurian rocks of Canada. <em>In: Geological Survey of Canada. Report of Progress For the Years 1853-54-55-56. (Logan, W.E. Eds).</em> pp. 256-345.
page(s): 317-318 [details]
page(s): 317-318 [details]
MolluscaBase eds. (2025). MolluscaBase. Orthoceras formosum Billings, 1857 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1815553 on 2025-09-12
Date
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The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Billings, E. (1857). New species of fossils from the Silurian rocks of Canada. <em>In: Geological Survey of Canada. Report of Progress For the Years 1853-54-55-56. (Logan, W.E. Eds).</em> pp. 256-345.
page(s): 317-318 [details]
new combination reference Foerste, A. F. (1925). Silurian cephalopods of Northern Michigan. <em>Contributions from the Museum of Geology, University of Michigan.</em> 2(8): 19-120 ["1924"]. [details] Available for editors
[request]
page(s): 317-318 [details]
new combination reference Foerste, A. F. (1925). Silurian cephalopods of Northern Michigan. <em>Contributions from the Museum of Geology, University of Michigan.</em> 2(8): 19-120 ["1924"]. [details] Available for editors
