The origin and evolution of the middle Dinantian condont genera Doliognathus, Dollymae, Scaliognathus and Staurgnathus and related forms
Austin, R.L.; Groessens, E. (1972). The origin and evolution of the middle Dinantian condont genera Doliognathus, Dollymae, Scaliognathus and Staurgnathus and related forms. Ann. Soc. géol. Belg. (1968) 95: 229-238
In: Annales de la Société géologique de Belgique. Vaillant-Carmanne: Liège. ISSN 0037-9395, meer