Dicharax (?) tanegashimae (Pilsbry, 1902)
Alycaeus tanegashimae Pilsbry, 1902c: 562.
Chamalycaeus tanegashimae - Azuma 1982: 10, pl. 3, fig. 32.
Chamalycaeus satsumanus tanegashimae - Minato 1988: 14.
Dicharax (?) tanegashimae - Páll-Gergely and Asami 2017: 14, figs 7C, D.
Type locality.
"Tane-ga-shima, Osumi".
Material examined.
ANSP 82480a (lectotype, designated by Baker 1964, photographs examined); 種子ヶ島 = 種子島 (Tanegashima), Toru Inaba coll., NSMT-Mo 66469 (5 shells).
Remarks.
Protoconch low, finely granulated, rather matte; R2 with ca. 20 low, blunt, regular ribs which are some distance from each other even near the tube; distance between ribs at edge of body whorl is larger than a rib width; no spiral lines visible on the teleoconch.
Minato (1988) treated Chamalycaeus tanegashimae as a subspecies of Chamalycaeus satsumanus . According to our classification, Chamalycaeus satsumanus and Sigmacharax tanegashimae belong to different genera ( Dicharax and Metalycaeus , respectively).