Named By: Paul C. Sereno & Andrea B. Arcucci - 1994.
Synonyms: Lagosuchus lilloensis.
Classification: Chordata, Reptilia, Dinosauriformes.
Species: M. lilloensis (type).
Size: About 40 centimetres long.
Known locations: Argentina - Chaņares Formation.
Time period: Ladinian of the Triassic.
Fossil representation: Partial post cranial skeleton.
Originally described as a species of Lagosuchus (L. lilloensis), when clear differences were noted in the limb proportions were noted the genus Marasuchus was created. Marasuchus was a dinosauriform, a kind of reptile that was on the evolutionary route to dinosaurs, but not a dinosaur yet.
- Dinosaurian precursors from the Middle Triassic of Argentina: Marasuchus lilloensis gen. nov. - Journal of Vertebrate Paleontology 14: 53-73. - Paul C. Sereno & Andrea B. Arcucci - 1994.