MolluscaBase name details
Protocycloceras laswelli S. C. Hook & Flower, 1977 †
1877617 (urn:lsid:marinespecies.org:taxname:1877617)
unaccepted > superseded combination
Species
marine, brackish, fresh, terrestrial
fossil only
Hook, S. C. & Flower, R. H. (1977). Late Canadian (zones J, K) cephalopod faunas from southwestern United States. <em>New Mexico Bureau of Mining & Mineral Resources, Memoir.</em> 32: 1-101., available online at https://doi.org/10.58799/m-32
page(s): 29, pl. 15, fig. 1-3 [details] Available for editors
[request]
page(s): 29, pl. 15, fig. 1-3 [details] Available for editors
[request]
Type locality contained in Utah
type locality contained in Utah [details]
MolluscaBase eds. (2026). MolluscaBase. Protocycloceras laswelli S. C. Hook & Flower, 1977 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1877617 on 2026-05-21
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The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Hook, S. C. & Flower, R. H. (1977). Late Canadian (zones J, K) cephalopod faunas from southwestern United States. <em>New Mexico Bureau of Mining & Mineral Resources, Memoir.</em> 32: 1-101., available online at https://doi.org/10.58799/m-32
page(s): 29, pl. 15, fig. 1-3 [details] Available for editors [request]
new combination reference Kröger, B.; Landing, E. (2009). Cephalopods and paleoenvironments of the Fort Cassin Formation (upper Lower Ordovician), eastern New York and adjacent Vermont. <em>Journal of Paleontology.</em> 83(5): 664-693., available online at https://doi.org/10.1666/08-181.1
page(s): 684; note: Included tentatively in Anrangeroceras Kröger & Landing, 2009. [details] Available for editors [request]
page(s): 29, pl. 15, fig. 1-3 [details] Available for editors
[request]new combination reference Kröger, B.; Landing, E. (2009). Cephalopods and paleoenvironments of the Fort Cassin Formation (upper Lower Ordovician), eastern New York and adjacent Vermont. <em>Journal of Paleontology.</em> 83(5): 664-693., available online at https://doi.org/10.1666/08-181.1
page(s): 684; note: Included tentatively in Anrangeroceras Kröger & Landing, 2009. [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
