Sulcusuchus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Sulcusuchus lived during the Unknown and resided in South America.

All the Sulcusuchus illustrations below were collected from the internet. Enjoy and explore:

Sulcusuchus was described by the following scientific paper(s):
  • J. P. O’Gorman, F. R. Aspromonte, and G. Matelo Mirco. 2025. First record of lithophagy in Sulcusuchus erraini (Plesiosauria; Polycotylidae) with comments on the taphonomic and collect bias in gastroliths. Historical Biology
  • Z. Gasparini and L. A. Spalletti. 1990. Un nuevo cocodrilo en los depósitos mareales Maastrichtianos de la Patagonia noroccidental. Ameghiniana 27(1-2):141-150
  • Z. Gasparini and M. de la Fuente. 2000. Tortugas y plesiosaurios de la Formacion la Colonia (Cretacico Superior) de Patagonia, Argentina. Revista Espanola de Paleontologia 15(1):23-35