A Dilophosaurus restored as a speculative semi-aquatic predator floating in calm water. An ancient frog relative, Prosalirus, floats along underneath, just out of sight. These two creatures were found in the Kayenta Formation of Early Jurassic northern Arizona.

Citations:
Shubin, N., Jenkins, F. An Early Jurassic jumping frog. Nature 377, 49–52 (1995). https://doi.org/10.1038/377049a0