Species: gargantus DAMIANI, 1999
Etymology: Gargantua, after the mythical giant of French writer Rabelais; refering to huge or gigantic.
Holotype: AM F80190
Locality: Costal rock platform at Longreef, approximately 15 km north of Sydney, New South Wales State, Australia.
Horizon: Bulgo Sandstone, Narrabeen Group.
Age: Early Triassic.
Material: The posterior portion of a left mandible.
AM F54961: An incomplete left femur.