Traits taxon details
original description
Chen, J.-Y.; Zou, X.-P.; Chen, T.-E.; Qi, D.-L. (1979). Late Cambrian cephalopods of North China. Plectronocerida, Protactinocerida (ord. nov.) and Yanhecerida (ord. nov.). <em>Acta Palaeontologica Sinica.</em> 18:1-24 [in Chinese]. page(s): 16 [details]
basis of record
Pohle, A.; Kröger, B.; Warnock, R. C. M.; King, A. H.; Evans, D. H.; Aubrechtová, M.; Cichowolski, M.; Fang, X.; Klug, C. (2022). Early cephalopod evolution clarified through Bayesian phylogenetic inference. <em>BMC Biology.</em> 20(1)., available online at https://doi.org/10.1186/s12915-022-01284-5 [details] Available for editors 
additional source
King, A. H.; Evans, D. H. (2019). High-level classification of the nautiloid cephalopods: a proposal for the revision of the Treatise Part K. <em>Swiss Journal of Palaeontology.</em> 138(1): 65-85., available online at https://doi.org/10.1007/s13358-019-00186-4 [details] Available for editors 
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