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| Paul C. Sereno is a US paleontologist from the University of Chicago who has worked in South America, Asia and Africa. He discovered the first complete skull of Herrerasaurus, excavated a giant Carcharodontosaurus (1996), found and named Afrovenator (with others, 1994), named the oldest-known dinosaur, Eoraptor (with others, 1993), Suchomimus, found the second oldest fossils bird, Sinornis ("Chinese bird"), in 1991, and found a new, as yet unnamed African sauropod. Sereno named: Deltadromeus (1996) and Marasuchus (with Arcucci, 1994). He has rearranged the dinosaur family tree, reorganizing the ornithischians and naming the clade Cerapoda (1986), formed from the ornithopods and marginocephalians. | |||