Traits taxon details
original description
(of ) Kobayashi, T. (1928). Ordovician fossils from Corea and South Manchuria. <em>Japanese Journal of Geology and Geography.</em> 5(4): 173-212 ["1927"]. page(s): 79, pl. 18, figs. 1a, c; 2 [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, figs. 3(a, b), 4(1-7), 8(1-4) [details] Available for editors 
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