PaleoDB taxon number: 56595
Alternative combination: Massosaurus carinatus
Full reference: R. Owen. 1854. Descriptive catalogue of the Fossil organic remains of Reptilia and Pisces contained in the Museum of the Royal College of Surgeons of England. London 1-184
Type specimen: Royal College of Surgeons, a partial skeleton. Its type locality is Beauchef Abbey (213), Harrismith (zone B/1), which is in a Hettangian/Sinemurian terrestrial sandstone/shale in the Elliot Formation of South Africa.