Named By: Christian Erich Hermann von Meyer - 1860.
Classification: Chordata, Reptilia, Scleroglossa.
Species: A. tommasinii (type), A. crassicostatus (possibly a synonym to A. tommasinii).
Known locations: Slovenia.
Time period: Cenomanian of the Cretaceous.
Fossil representation: Partial remains.
A little known creature, Acteosaurus has been speculated to be a marine reptile, similar to the mosasauroids. Acteosaurus was named after Actaeon, a hunter in Greek Mythology.