H.G. Seeley (1874). "On the Pectoral Arch and Fore Limbs of Ophthalmosaurus, a new Ichthyosaurian Genus from the Oxford Clay". Quarterly Journal of the Geological Society. 30 (1–4): 696–707. doi:10.1144/gsl.jgs.1874.030.01-04.64. S2CID129725722.
Nikolay G. Zverkov & Megan L. Jacobs (2021) [First published 2020]. "Revision of Nannopterygius (Ichthyosauria: Ophthalmosauridae): reappraisal of the 'inaccessible' holotype resolves a taxonomic tangle and reveals an obscure ophthalmosaurid lineage with a wide distribution". Zoological Journal of the Linnean Society. 191 (1): 228–275. doi:10.1093/zoolinnean/zlaa028.
Paparella, Ilaria; Maxwell, Erin E.; Cipriani, Angelo; Roncacè, Scilla; Caldwell, Michael W. (2017). "The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian-Marchean Apennines (Marche, Central Italy)". Geological Magazine. 154 (4): 837. Bibcode:2017GeoM..154..837P. doi:10.1017/S0016756816000455. S2CID132955874.
Hudson, John D.; Martill, David M. (1991). "The Lower Oxford Clay: production and preservation of organic matter in the Callovian (Jurassic) of central England". Geological Society, London, Special Publications. 58 (1): 363–379. Bibcode:1991GSLSP..58..363H. doi:10.1144/GSL.SP.1991.058.01.23. S2CID129388168.
Paparella, Ilaria; Maxwell, Erin E.; Cipriani, Angelo; Roncacè, Scilla; Caldwell, Michael W. (2017). "The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian-Marchean Apennines (Marche, Central Italy)". Geological Magazine. 154 (4): 837. Bibcode:2017GeoM..154..837P. doi:10.1017/S0016756816000455. S2CID132955874.
Hudson, John D.; Martill, David M. (1991). "The Lower Oxford Clay: production and preservation of organic matter in the Callovian (Jurassic) of central England". Geological Society, London, Special Publications. 58 (1): 363–379. Bibcode:1991GSLSP..58..363H. doi:10.1144/GSL.SP.1991.058.01.23. S2CID129388168.
H.G. Seeley (1874). "On the Pectoral Arch and Fore Limbs of Ophthalmosaurus, a new Ichthyosaurian Genus from the Oxford Clay". Quarterly Journal of the Geological Society. 30 (1–4): 696–707. doi:10.1144/gsl.jgs.1874.030.01-04.64. S2CID129725722.
Paparella, Ilaria; Maxwell, Erin E.; Cipriani, Angelo; Roncacè, Scilla; Caldwell, Michael W. (2017). "The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian-Marchean Apennines (Marche, Central Italy)". Geological Magazine. 154 (4): 837. Bibcode:2017GeoM..154..837P. doi:10.1017/S0016756816000455. S2CID132955874.
Hudson, John D.; Martill, David M. (1991). "The Lower Oxford Clay: production and preservation of organic matter in the Callovian (Jurassic) of central England". Geological Society, London, Special Publications. 58 (1): 363–379. Bibcode:1991GSLSP..58..363H. doi:10.1144/GSL.SP.1991.058.01.23. S2CID129388168.