† Triphora subcalcarea Oostingh, 1941
Triphora subcalcarea Oostingh, 1941: 22, 25, pl. 1, fig. 12.
Type locality. A. Kungkilan Besar, Palembang, Sumatra, Indonesia.
Type material. Type material not located so far.
Distribution. Indonesia (Swarko & Sufiati 1994).
Geological age. Tertiary (Swarko & Sufiati 1994).