† Trifora dux Boettger, 1907

Trifora dux Boettger, 1907: 144 .

Triforis dux Boettger, 1907 — Zilch 1934: 226, pl. 9, fig. 60a, b.

Triphora dux Boettger, 1907 — Baluk 1975: 169, pl. 20, fig. 2.

Type locality. Romania, Kostej, Valea semini .

Type stratum. Middle Miocene.

Type material. Type material not located so far.

Distribution. Poland (Baluk 1975), Romania (Boettger 1907; Zilch 1934).

Geological age. Miocene (Boettger 1907; Zilch 1934; Baluk 1975).