Dicharax (?) itonis (Kuroda, 1943) Fig. 13D

Chamalycaeus (Sigmacharax) itonis Kuroda, 1943: 8-11, figs 1-4.

Chamalycaeus (Sigmacharax) itonis itonis - Minato 1987b: 76-77, figs 1-3; Minato 1988: 16, pl. 2, fig. 2.

Chamalycaeus (Sigmacharax) itonis - Azuma 1982: 12, pl. 4, fig. 40; Hanshin Shell Club 1986: pl. 2, figs 5, 6.

Type locality.

"Kami-iti-mura, Bittyƫ , Okayama Prefecture".

Material examined.

Ura-Hikimi-Kyo, Hikimi-mach, Mino-gun, Shimane Pref., NSMT-Mo 78866 (5 shells). The holotype is deposited in NC-H004 (Kazunori Hasegawa, pers. comm.) (not examined by us).

Remarks.

Protoconch low, very finely granulated, moderately glossy; R2 with ca. 24 ribs; they are low and the entire ribbing is not clear; the ribs are not distinct entities, their boundaries are obscure since their edges merge; no spiral lines visible on R1.