Taxon
Bisatoceras secundum aff. (Qualifier: af)
Branneroceras branneri+*
Cymoceras otai
Deleshumardites morrowanus*
Gastrioceras matsumotoi
Neoglaphyrites japonicus
Okafujiceras isaense+
Phaneroceras compressum+*
Pseudopronorites arkansiensis*
Stenopronorites takahashii
Syngastrioceras orientale+