IRMNG taxon details
original description
Ehiro, M. (2022). Early Anisian (Aegean) ammonoids from the Fukkoshi Formation (Inai Group) with special reference to the Olenekian/Anisian boundary in the South Kitakami Belt, Northeast Japan. <em>Bulletin of the Tohoku University Museum.</em> 21: 39-84. [details] Available for editors 
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