Species: watsoni CARROLL, 1967
Etymology:

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.

Biostratigraphy:

Age: Namurian, lower Silesian series, Serpukhovian Epoch, Early Carboniferous (Late Mississippian).

Material: Skull and loser jaws, vertebrae, ribs, pectoral girdle, limb bones and scales.