Acrogaster
Acrogaster is a genus of fossil marine fish in the order Trachichthyiformes, known from the Late Cretaceous period. Species are known from Germany and Lebanon.
Species
The following species are known:A. brevicostatus von der Marck, 1863 - Late Campanian of GermanyA. daviesi Davis, 1887 - Late Santonian of LebanonA. heckeli Pictet, 1850 - Late Santonian of LebanonA. minutus von der Marck, 1863 - Late Campanian of GermanyA. parvus Agassiz, 1839 - Late Campanian of GermanyThe former species A. anceps and A. dayi are now placed in Lissoberyx.