† Newtoniella degrangei Cossmann & Peyrot, 1922
Newtoniella degrangei Cossmann & Peyrot, 1922: 297, pl. 7, fig. 18, 19.
Cerithiella degrangei (Cossmann & Peyrot, 1922) — Janssen 1967: 138.
Metaxia degrangei (Cossmann & Peyrot, 1922) — Marquet 1996: 143, pl. 2, fig. 1, 2.
Type locality. France, Saint–Avit (Basta) .
Type stratum. Miocene, Aquitanian.
Type material. Type material not located so far.
Distribution. Belgium (Marquet 1996), France (Cossmann & Peyrot 1922), Germany (Janssen 1967).
Geological age. Miocene (Cossmann & Peyrot 1922; Janssen 1967; Marquet 1996).