1996: Rectimitoceras Becker: 34.

Type species: Goniatites linearis Münster, 1832, p.22 [OD].

A:   Conch form compressed to subglobose, involute throughout ontogeny.
D:   Median and adult stages without constrictions. Internal shell thickenings absent, or if present not causing tripartition.
G:   Ventral lobe lanceolate and at least as deep as the asymmetric and relatively wide adventitious lobe.