Acantholytoceras is an extinct genus of ammonite that belongs to the family Crioceratitidae. It lived during the Cretaceous period across Europe in places such as Spain, France and Serbia.
It was likely a fast-moving nektonic predator.
Taxonomy Species , this genus contains four described species. They are listed below:Delanoy, Gerard & Baudouin, Cyril & Agostini, Gilles. (2024). Données nouvelles sur Acantholytoceras longispinum (Uhlig, 1883) et sur le genre Acantholytoceras Spath, 1923 (Ammonoidea, Ptychoceratoidea). 1-15. Acantholytoceras longispinum (Uhlig, 1883) Acantholytoceras subcirculare Avram 2002 Acantholytoceras tenuicostatum (Thomel, 1965) Acantholytoceras thomeli Delanoy et al. 2024 References