Species
Extinct

Sigilmassasaurus brevicollis

subjective synonym of Spinosaurus aegyptiacus
Russell 1996
This taxon is considered subjective synonym of of the valid taxon Spinosaurus aegyptiacus according to the Paleobiology Database. See the page for Spinosaurus aegyptiacus
Bibliography
Original description
D. A. Russell. 1996. Isolated dinosaur bones from the Middle Cretaceous of the Tafilalt, Morocco. Bulletin du Muséum National d'Histoire Naturelle, Paris, 4e série, section C 18(2-3):349-402