Ronchi, Ausonio; Sacchi, Eva; Romano, Marco; Nicosia, Umberto (2011). A Huge Caseid Pelycosaur from North-Western Sardinia and Its Bearing on European Permian Stratigraphy and Palaeobiogeography. Acta Palaeontologica Polonica. 56 (4): 723—738. doi:10.4202/app.2010.0087. S2CID55085495.
Ronchi, Ausonio; Sacchi, Eva; Romano, Marco; Nicosia, Umberto (2011). A Huge Caseid Pelycosaur from North-Western Sardinia and Its Bearing on European Permian Stratigraphy and Palaeobiogeography. Acta Palaeontologica Polonica. 56 (4): 723—738. doi:10.4202/app.2010.0087. S2CID55085495.