1962  Eoasianites sp. Kato & Nakamura: 33, text-fig.1, pl.6 fig.1-4.
     1965  Cravenoceras sp.A.-Gordon: 215, pl.21 fig.38,39,  textfig.55F.
     1967  Cravenoceras sp. Webster & Lane: 517,text-fig.3a,4c,d.
     1971  Eoasianites sp. indet.-Nishida,p.10
     1974  Syngastrioceras aff. orientale.-Pitinova: 44, pl.5 fig.2, pl.6 fig.1, textfig.6v.
     1975  Syngastrioceras sp. Ruzhentsev: textfig.5a.
     1980  Syngastrioceras sp. 'early form' Wagner-Gentis: 22,  text-fig.13 A-D, pl.7 fig.2.
     1981  Syngastrioceras sp. Ruan: 198, pl.9 fig.15,16, textfig.56.
     1987  Syngastrioceras - Kyuma & Nishida: 24.
     1997  Syngastrioceras sp. indet. Titus: 160, figs. 3.1, 3.2.
     1999  Syngastrioceras sp.-Manger, Stephen & Meeks: 356, fig.2C.
     2001  Somoholites cf. S. merriami Titus & Manger: 18, figs. 4.15, 4.17-4.19, 12.2-12.3, 13. [Description, measurements see
               TAX6643, Fig. see TAX6643, 2 (suture)].
     2004  Syngastrioceras sp.indet. House in Wongwanich et al.: 1075, Fig.3 5.
     2006  Syngastrioceras sp. Hairapetian et al.: 236, text-fig.4 E, 7 C, D.
?   2008  Syngastrioceras ? sp. Kullmann in Kullmann et al.: 651, fig.17 (6).