Dicharax (?) itonis shiotai (Minato & Yano, 1988)
Chamalycaeus (Sigmacharax) itonis shiotai Minato & Yano, 1988: 33-36, figs 1-3.
Type locality.
"Kasayama, Hagi city, Yamaguchi-ken, Japan"
Material examined.
NSMT-Mo 64484 (holotype).
Remarks.
Protoconch low, very finely granulated, not glossy; however, the protoconch of the holotype was quite weathered; ca. 16 ribs on R2 (individual ribs are wider than in the nominotypical subspecies); R2 ribbing similar as in the nominotypical subspecies; no spiral lines visible on R1.