CrossognathusCrossognathus is an extinct genus of marine ray-finned fish from the Early Cretaceous of Europe. It is the type genus of the order Crossognathiformes and the family Crossognathidae.The following species are known: †C. danubiensis Cavin & Grigorescu, 2005 - Middle Albian of Romania †C. sabaudianus Pictet, 1858 - Barremian of Voiron and late Albian of Vallentigny, France; Barremian of Hildesheim & early Aptian of Helgoland, Germany