MolluscaBase taxon details
Ephippiorthoceras formosum (Billings, 1857) †
1815552 (urn:lsid:marinespecies.org:taxname:1815552)
accepted
Species
Orthoceras formosum Billings, 1857 † · unaccepted > superseded combination
marine, brackish, fresh, terrestrial
fossil only
(of Orthoceras formosum Billings, 1857 †) 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]
Type locality contained in Quebec
type locality contained in Quebec [details]
MolluscaBase eds. (2025). MolluscaBase. Ephippiorthoceras formosum (Billings, 1857) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1815552 on 2025-09-11
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original description
(of Orthoceras formosum Billings, 1857 †) 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]
basis of record Holland, C. H.; Copper, P. (2008). Ordovician and Silurian nautiloid cephalopods from Anticosti Island: traject across the Ordovician–Silurian (O–S) mass extinction boundary. <em>Canadian Journal of Earth Sciences.</em> 45(9): 1015-1038., available online at https://doi.org/10.1139/e08-048
page(s): 1030, fig. 5F [details] Available for editors
[request]
page(s): 317-318 [details]
basis of record Holland, C. H.; Copper, P. (2008). Ordovician and Silurian nautiloid cephalopods from Anticosti Island: traject across the Ordovician–Silurian (O–S) mass extinction boundary. <em>Canadian Journal of Earth Sciences.</em> 45(9): 1015-1038., available online at https://doi.org/10.1139/e08-048
page(s): 1030, fig. 5F [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
