Traits taxon details
original description
Kobayashi, T. (1959). On some Ordovician fossils from northern Malaya and her adjacence. <em>Journal of the Faculty of Science, University of Tokyo, Section 2.</em> 11(4): 387-407. page(s): 395-397, pl. 25, figs 2a-c, 3a-c, pl. 26, fig. 3a-c, textfig. 3a [details] Available for editors 
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