1982  Okafujiceras Nishida & Kyuma: 40.

See Fig.6429 (cross-section and sutures).

Type species: Okafujiceras isaense Nishida & Kyuma, 1982, p. 40.

[Nishida & Kyuma, 1982, p. 40: Conch small, highly discoidal: whorl highly compressed; with H/W approximately
55 per cent and W/D approximately 20 per cent. Umbilicus narrow; U/D approximately 10 per cent. Ventral
lobe about two thirds the width of the first lateral saddle; the prongs of the ventral lobe as deep as the first lateral
lobe. Shell entirely smooth.]