Traits taxon details
original description
Hyatt, A. (1900). Cephalopoda. In: Zittel, K. A. V.; Eastman, C. R. (Eds). <em>Text-book of paleontology by Karl A. von Zittel [translated from German to English and edited by C. R. Eastman]. Vol. 1.</em> pp. 502-604. Macmillan, London., available online at https://www.biodiversitylibrary.org/page/17392244 [details]
basis of record
King, A. H. (1998). A review of the cyclostomiceratid nautiloids, including new taxa from the Lower Ordovician of Öland, Sweden. <em>Palaeontology.</em> 44: 335-347., available online at https://www.biodiversitylibrary.org/page/49739416 [details]
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