Paul Callistus Sereno (born October 11, 1957) is a professor of paleontology at the University of Chicago who has discovered several new dinosaur species on several continents, including at sites in Inner Mongolia, Argentina, Morocco and Niger.

[1] One of his most widely publicized discoveries is that of a nearly complete specimen of Sarcosuchus imperator — popularly known as SuperCroc — at Gadoufaoua in the Tenere desert of Niger.

He appears in the 2009 DVD Dinosaur Discoveries, featuring classic segments of CBS anchorman Walter Cronkite as the host, which aired on A&E in 1991.

The National Geographic documentary, Skeletons of the Sahara was made about this discovery and premiered in 2013.

In addition to his many discoveries in the field, public communication has been a big part of Sereno's career.