?    1898a Thalassoceras ? microdiscus.-Schellwien: 695 [specimen very small, suture insufficiently known, not described
                and figured;  generic assignment questionable: Thalassoceras ? sp., Artinskian in age].
?   1898b Thalassoceras ? microdiscus.-Schellwien: 359 [as Schellwien 1898a].
     1940  Thalassoceras sp. Miller & Furnish: 107.
     1989  Thalassoceras sp. Zhou: 1367.
     1991  Thalassoceras sp. Catalano et al., p.86, pl.3 fig.5, 6, 8.