1. Stratigraphic sections of the Beacon Supergroup (Devonian and older (?) to Jurassic) in South Victoria Land;Askin;Publication of the Geology Dept, Victoria University of Wellington, Antarctic Data Series,1971
2. Síntesis bioestratigráfica del Paleozoico tradío de la Sierra de Perijá, Venezuela;Benedetto;Annais da Academia Brasileria de Ciências,1980a
3. Bilvalvos Pensilvanianos de la Formación Caño Indio, Sierra de Perijá, Venezuela;Benedetto;Boletín de Geología,1980b
4. Les brachiopodes devonicus de la Sierra de Perijá (venezuela);Benedetto;Biostratigraphie du Paleozoique (Brest),1984
5. Classification of fishes, both Recent and fossil;Berg;Trudy Zoologicheskogo Instituta. Akademiya Nauk SSSR. Leningrad,1940