Species: watsoni CARROLL, 1967
Holotype: Royal Scottish Museum, Edinburgh, No. 1885.57.51
Locality: Loanhead No. 2 mine, near Edinburgh, Mid-Lothian Province, Scotland, northern United Kingdom.
Horizon: Rumbles Ironstone, Limestone Coal Group.
Age: Namurian, lower Silesian series, Serpukhovian Epoch, Early Carboniferous (Late Mississippian).
Material: Skull and loser jaws, vertebrae, ribs, pectoral girdle, limb bones and scales.