1935  Gastrioceras suborientale Yin, p.21, pl.2 fig.3-7.
     1978  Syngatrioceras suborientale.-Liao: 415, pl.131
           fig.5,6.
     1978  Syngastrioceras suborientale.-Yang: 164,
           text-fig.53-56, pl.42 fig.6-10,
cf.  ----  Syngastrioceras cf. suborientale.-Yang: text-fig.57,
           pl.42 fig.11.
     1981  Syngastrioceras suborientale.-Wang: 477, pl.2 fig.2,
           textfig.9d.
     1981  Syngastrioceras suborientale.-Ruan: 190, pl.8
           fig.6,7,28,29, textfig.37,38.