Cristatusaurus is a genus of theropod dinosaur that lived during the Early Cretaceous period of what is now Niger, 112 million years ago. It was a baryonychine member of the Spinosauridae, a group of
Holotype specimen (MNHN GDF 366), consisting of jaw fossils, Muséum national d'Histoire naturelle, Paris
Referred claw, MNHN, Paris
The fragmentary Cristatusaurus fossil material might represent the same taxon as Suchomimus (top) or Baryonyx (bottom)
Spinosauridae is a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America,
Elements of the holotype specimen of Spinosaurus aegyptiacus, as illustrated by Ernst Stromer in 1915
Closeup of the teeth of Suchomimus
Reconstructed foot bones of Spinosaurus; note the straight claws and enlarged hallux (first toe) touching the ground