MolluscaBase taxon details
original description
Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online at https://doi.org/10.1130/spe58 page(s): 130 [details] Available for editors [request]
basis of record
Evans, D. H. (2005). The Lower and Middle Ordovician cephalopod faunas of England and Wales. <em>Monographs of the Palaeontographical Society.</em> 158(623): 1-77., available online at https://doi.org/10.1080/25761900.2022.12131803 [details] Available for editors [request]
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