Metalycaeus vinctus (Pilsbry, 1902)
Alycaeus vinctus Pilsbry, 1902a: 53-54.
Chamalycaeus vinctus - Azuma 1982: 10, pl. 3, fig. 30; Minato 1988: 15, pl. 3, figs 5, 6.
Metalycaeus vinctus - Páll-Gergely and Asami 2017: 12-14, figs 1A; 2B, D, F; 3B, D, F; 4B, D, F; 6C, D, F; 7E, G.
Type locality.
"Tanegashima, Osumi".
Material examined.
ANSP 83291 (lectotype, designated by Baker 1964, photographs examined); for other examined specimens see Páll-Gergely and Asami (2017).
Remarks.
Protoconch elevated, consists of 1.5 whorls, spirally striated except for the first 0.5 whorl which is smooth; R2 with ca. 18 ribs, which are relatively far from each other even close to the suture; the ribs are low, but all available shells were somewhat weathered.