RICHARD BIZLEY / SCIENCE PHOTO LIBRARY RICHARD BIZLEY / SCIENCE PHOTO LIBRARY
Cretaceous heteromorph ammonites, artwork. Late Cretaceous (Maastrichtian). The main heteromorph ammonite is a Didymoceras. Three heteromorphs on the seaweed are nostoceras. Swimming vertically are some baculites. At upper left is a pair of squids.
Model release not required. Property release not required.