† Triforis vermicularis Koenen, 1891
Triforis vermicularis Koenen, 1891: 694, pl. 45, fig. 12A–D.
Viriola vermicularis (Koenen, 1891) — Amitrov & Zhegallo 2007: 374, table 1.
Type locality. Germany, Lattorf .
Type stratum. Lower Oligocene .
Type material. Type material not located so far.
Distribution. Germany (Koenen 1891).
Geological age. Oligocene (Koenen 1891).