Dicharax (?) ananensis (Yano, Tada & Matsuda, 2013)
Cipangocharax ananensis Yano, Tada & Matsuda, 2013: 29-37, figs 1-4.
Type locality.
"Wakasugidani, Suii-cho, Anan city, Tokushima Prefecture, Shikoku, Japan".
Remarks.
No specimens were examined by us, but the original description provides enough information of the key characters: protoconch low, glossy; R1 with rather dense, strong ribs; R2 short, with very dense, low ribs; R3 longer than R2, without swelling.