Stomacosmethis matchacheepiorum (Dumrongrojwattana & Maassen, 2008)
Alycaeus matchacheepiorum Dumrongrojwattana & Maassen, 2008: 3-4, figs 7-12.
Type locality.
"Thailand, Khao Pratun Cave, an isolated limestone hill in Royong Province at 13°07'19"N, 101°36'03"E, 55 meters elevation".
Remarks.
We had no opportunity to examine shells of Alycaeus matchacheepiorum . However, the original description is sufficient for correct generic placement. The protoconch is smooth, R2 very short and the entire teleoconch is finely ribbed.