1980 Ammonellipsites ? raricostatus Kuzina: 71, pl.6 fig.6, text-fig.21a.
1999 Polaricyclus raricostatus.-Kuzina: 509, figs. 2K-2L.
2000 Orthocyclus raricostatus.-Kuzina: 21, text-fig.3v, ?3g.

[Holotype: PIN 2775/198].

Fig. see TAX266 A (suture). Fig. see TAX269 B (suture), also a photograph from Kuzina, 2000