The first recognition of the enigmatic fossil shark genus Megalolamna (Lamniformes, Otodontidae) from the lower Miocene of Europe and M. serotinus (Probst, 1879) as the newly designated type species for the genus

Additional teeth of Megalolamna serotinus comb. nov. from Miocene deposits of Europe described in this paper. A: SNSB-BSPG 1984 X 21 from the Upper Marine Molasse Baltringen, Walbertsweiler, Baden-Württemberg, Germany, in lingual view; B–E: Oberösterreichische Landes-Kultur GmbH Coll. no. 2022/46 from the Upper Marine Molasse, Plesching, Austria, in (B) lingual, (C) labial, (D) profile, and (E) basal views; F–K: Museo Civico di Storia Naturale di Milano Coll. no. V5858 and 5856 from the lower part of the “Pietra da canton” formation, Monferrato region, Italy, in (F, I) lingual, (G, J) profile, and (H, K) labial views; L–Q: Three teeth from Pietra da Cantoni, eastern Monferrato, Italy, the collection of the Earth Sciences Department of the University of Turin: MGPT uncat. in (L) lingual and (M) labial views; MGPT-PU 11196 in (N) lingual and (O) labial views; and MGPT uncat. in (P) lingual and (Q) labial views; R–U: UM MAZ 38 from Mazan, Mormoiron Basin, Vaucluse, France, in (R) lingual, (S) profile, (T) labial, and (U) basal views. Scale bar: 10 mm.