^Halsey W. Miller, Jr.; Transactions of the
Kansas Academy of Science (1903-) Vol. 60, No. 1 (Spring, 1957), pp. 82-85
^
abReport on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp
^
abPetalodus hastingsii OWEN, 1840: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 07/2020
^
abCase 3779 – Petalodus Owen, 1840 (Chondrichthyes, Petalodontiformes, Petalodontidae): proposed conservation of usage by designation of a neotype for its type species Petalodus hastingsii Owen, 1840. Bulletin of Zoological Nomenclature, 75: 241-246
^
abA synopsis of the classification of the British Palæozoic rocks, with a systematic description of the British
Palæozoic fossils in the Geological museum of the
University of Cambridge. In: Sedgwick, A. (ed), A synopsis of the classification of the British Palæozoic rocks, London :J.W. Parker and Son; [etc.] 1855.
^A. S. Woodward. 1889. Catalogue of the Fossil Fishes in the British Museum (Natural History) Part 1 1-613.
^
abFossils (Smithsonian Handbooks) by David Ward (Page 198)
^Description of a new species of Petalodus (P. securiger) from the Carboniferous of Illinois. Journal of Geology, 3 (5): 561–564
^Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
^Halsey W. Miller, Jr.; Transactions of the
Kansas Academy of Science (1903-) Vol. 60, No. 1 (Spring, 1957), pp. 82-85
^
abReport on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp
^
abPetalodus hastingsii OWEN, 1840: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 07/2020
^
abCase 3779 – Petalodus Owen, 1840 (Chondrichthyes, Petalodontiformes, Petalodontidae): proposed conservation of usage by designation of a neotype for its type species Petalodus hastingsii Owen, 1840. Bulletin of Zoological Nomenclature, 75: 241-246
^
abA synopsis of the classification of the British Palæozoic rocks, with a systematic description of the British
Palæozoic fossils in the Geological museum of the
University of Cambridge. In: Sedgwick, A. (ed), A synopsis of the classification of the British Palæozoic rocks, London :J.W. Parker and Son; [etc.] 1855.
^A. S. Woodward. 1889. Catalogue of the Fossil Fishes in the British Museum (Natural History) Part 1 1-613.
^
abFossils (Smithsonian Handbooks) by David Ward (Page 198)
^Description of a new species of Petalodus (P. securiger) from the Carboniferous of Illinois. Journal of Geology, 3 (5): 561–564
^Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.