1997  Chaerogastrioceras Korn: 91 [Superfam. indet., Fam.
           indet.].

Type species: Chaerogastrioceras reifi Korn, 1997, p.92 [OD].

A:   Pachyconic conch, umbilicus moderately wide.
B:   Fine, crenulated growth lines, almost linear.
F:   Spirals may be present.
G:   Wide, almost parallel-sides ventral lobe with relatively
high median saddle (more than half the height of V).

[*Type species shows resemblance in ornamentation as well as form
with young specimens of Agastrioceras. It is based on some small
specimens (less than 20 mm diameter) with well preserved
ornamentation. Chaerogastrioceras is regarded herein as synonym
of the coeval genus Agastrioceras].