Chamalycaeus troglodytes (B. Rensch, 1934) Fig. 12B
Alycaeus (Chamalycaeus) troglodytes B. Rensch, 1934: 743-744, fig. 3.
Type locality.
"Mittel-Sumatra: Höhle von Pauh bei Fort de Kock".
Material examined.
Mittel-Sumatra: Höhle von Pauh bei Fort de Kock, leg. Thienemann, 13.03.29., ZMB/MOLL 76101 (1 syntype; photographs examined).
Remarks.
Protoconch low, no spiral lines visible; R1 with widely spaced, sharp regular ribs and very weak spiral striation; R2 very short, with ribs which are similar to those on R1.