Dicharax (?) shiibaensis (Minato, 2005)
Chamalycaeus shiibaensis Minato, 2005: 39-41, figs 1-3.
Type locality.
"Entrance of the Matsukiinari-no-ana Cave, (limestone region), 32°30'N, 131°80'E, Shiiba-son, Higashiusuki-gun, Miyazaki Prefecture, Japan".
Material examined.
NSMT-Mo 73682 (holotype), NSMT-Mo 73683 & 73684 (paratypes).
Remarks.
Protoconch low, very finely granulated, moderately glossy, no wrinkles present; R2 with ca. 22 low, blunt, but well separated ribs; near tube some ribs merge with neighbouring ribs, but distance between ribs at edge of body whorl ca. as wide as a single rib (or slightly wider); no spiral lines visible on R1.