† Triphora radiospirata Marquet, 1996

Triphora radiospirata Marquet, 1996: 138, pl. 1, fig. 5.

Type locality. Belgium, Vrasenedok, Kallo, municipality of Beveren, province of Oost–Vlaanderen, x = 140,850, y = 216,700 (near 51°15’36.0”N, 4°14’16.8”E).

Type stratum. Lower Pliocene, Kattendijk Formation, Petaloconchus layer.

Type material. IRScNB IST 6244, holotype. IRScNB IST 6245, IRScNB IST 6252, RGM.395968 and RGM.393969, paratypes. Also paratypes in private collections.

Distribution. Belgium (Marquet 1996).

Geological age. Pliocene (Marquet 1996).