WoRMS taxon details
Nomenclatureoriginal description
Ulrich, E. O.; Foerste, A. F. (1936). New genera of Ozarkian and Canadian cephalopods. <em>Journal of the Scientific Laboratories of Denison University.</em> 30: 259-290. [details]
basis of record
Evans, D. H. (2011). The lower Ordovician cephalopod faunas of the Durness Group, North-West Scotland. <em>Monographs of the Palaeontographical Society.</em> 165(637): 1-127., available online at https://doi.org/10.1080/25761900.2022.12131817 [details]
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