Nehalaennia
Nehalaennia is an extinct genus of baleen whale that inhabited the North Sea during the Late Miocene. It is known from the species Nehalaennia devossi.
File:Hellevoetsluis; Historyland; Oeroceaan; groot model, vos-vinvis.jpg|thumb|center|Model of Nehalaennia devossi at Historyland, Hellevoetsluis