Dicharax (?) cyclophoroides koshuensis (Kuroda, 1936)

Chamalycaeus (Metalycaeus) cyclophoroides koshuensis Kuroda, 1936: 174.

Chamalycaeus cyclophoroides koshuensis - Hanshin Shell Club 1986: pl. 2, figs 3, 4.

Type locality.

“全羅南道光州” (Zenranan-do, Kwanju/Koshu = Jeonlanam Province, Gwangju).

Material examined.

朝鮮光州 (Chōsen [= Korea], Kāshū ), Kawamura coll., NSMT-Mo (4 shells).

Remarks.

According to Kwon and Habe (1979) Chamalycaeus koshuensis Kuroda, 1936 is a synonym ("local form") of Alycaeus cyclophoroides . The holotype is deposited in the NC (NC-H203) (not examined by us).

Protoconch low or slightly elevated; R2 with ca. 26, relatively elevated and distinct ribs which are not in contact even at near the tube; at the edge of the body whorl the distance between the ribs is more than twice as wide as the width of a rib; there are no spiral lines visible on R1.