Traits taxon details
original description
Kobayashi T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I, Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, section 2.</em> 3(8): 329-519. page(s): 391 [details]
basis of record
Yun C.-S. (1999). Three Ordovician cephalopods from the Jigunsan Formation of Korea. <em>Paleontological Research.</em> 3(2): 65-80. page(s): 76 [details] Available for editors
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