Opinions from A. M. Cvancara and J. W. Hoganson 1993
- 'Actinopterygii was reranked as a class and belongs to Osteichthyes'
- 'Ariidae belongs to Siluriformes'
- 'Arius was reranked as Otolithus (Arius) and belongs to Otolithus'
- 'Biforisodus minor belongs to Biforisodus' according to Daimeries 1888
- 'Biforisodus minor is recombined as Squalus minor'
- 'Carcharias belongs to Carchariidae'
- 'Carcharias taurus belongs to Carcharias'
- 'Carchariidae belongs to Lamniformes'
- 'Champsosauridae belongs to Choristodera'
- 'Champsosaurus belongs to Champsosauridae'
- 'Champsosaurus profundus belongs to Champsosaurus'
- 'Chelonii is corrected as Chelonia and belongs to Testudinata'
- 'Chimaera townsendii belongs to Chimaera' according to Buckland 1835
- 'Chimaera townsendii is recombined as Ischyodus townsendii'
- 'Chimaeriformes belongs to Holocephali'
- 'Choristodera belongs to Diapsida'
- 'Dasyatidae belongs to Myliobatiformes'
- 'Dasyatis belongs to Dasyatidae'
- 'Dasyatis concavifoveus belongs to Dasyatis'
- 'Diapsida belongs to Reptilia'
- 'Edaphodontidae belongs to Chimaeriformes'
- 'Egertonia belongs to Phyllodontidae'
- 'Egertonia isodonta belongs to Egertonia' according to Cocchi 1866
- 'Egertonia isodonta belongs to Egertonia'
- 'Elasmodus belongs to Edaphodontidae'
- 'Elasmodus hunteri belongs to Elasmodus' according to Egerton 1843
- 'Elasmodus hunteri belongs to Elasmodus'
- 'Elopiformes belongs to Actinopterygii'
- 'Eutrichiurides belongs to Trichiuridae'
- 'Galeocerdo vincenti belongs to Galeocerdo' according to Daimeries 1889
- 'Galeocerdo vincenti is recombined as Palaeogaleus vincenti'
- 'Hexanchidae belongs to Hexanchiformes'
- 'Hexanchiformes belongs to Elasmobranchii'
- 'Holocephali belongs to Elasmobranchii'
- 'Hypolophodon belongs to Dasyatidae'
- 'Hypolophus sylvestris belongs to Hypolophus' according to White 1931
- 'Hypolophus sylvestris is recombined as Hypolophodon sylvestris'
- 'Ischyodus belongs to Edaphodontidae'
- 'Lepisosteidae belongs to Lepisosteiformes'
- 'Lepisosteiformes belongs to Actinopterygii'
- 'Megasqualus belongs to Squalidae'
- 'Myliobatidae belongs to Myliobatiformes'
- 'Myliobatis belongs to Myliobatidae'
- 'Notidanus orpiensis belongs to Notidanus' according to Winkler 1874
- 'Notidanus orpiensis is recombined as Megasqualus orpiensis'
- 'Notidanus serratissimus is recombined as Notorhynchus serratissimus'
- 'Notorhynchus belongs to Hexanchidae'
- 'Notorynchus maculatus belongs to Notorynchus'
- 'Odontaspididae belongs to Lamniformes'
- 'Otodontidae belongs to Lamniformes'
- 'Otodus belongs to Otodontidae'
- 'Otodus obliquus belongs to Otodus'
- 'Otodus rutoti belongs to Otodus' according to Winkler 1878
- 'Otodus rutoti is recombined as Palaeohypotodus rutoti'
- 'Otolithus (Arius) danicus belongs to Otolithus (Arius)' according to Koken 1891
- 'Otolithus (Arius) danicus is recombined as Arius danicus'
- 'Palaeogaleus belongs to Triakidae'
- 'Palaeohypotodus belongs to Odontaspididae'
- 'Paraorthacodus belongs to Palaeospinacidae'
- 'Perciformes [misspelled as Perchiformes] belongs to Actinopterygii'
- 'Phyllodontidae belongs to Lepisosteiformes'
- 'Pterothrissidae belongs to Elopiformes'
- 'Pterothrissus belongs to Pterothrissidae'
- 'Siluriformes belongs to Actinopterygii'
- 'Sphenodus recurvus is recombined as Paraorthacodus recurvus'
- 'Squalidae belongs to Squaliformes'
- 'Squaliformes belongs to Elasmobranchii'
- 'Squalus belongs to Squalidae'
- 'Squalus acanthias belongs to Squalus'
- 'Synechodus eocaenus belongs to Synechodus' according to Leriche 1902
- 'Synechodus eocaenus is recombined as Paraorthacodus eocaenus'
- 'Testudinata was reranked as a subclass and belongs to Reptilia'
- 'Triakidae belongs to Carcharhiniformes'
- 'Trichiuridae belongs to Perciformes'
- 'Trichiurides delheidi belongs to Trichiurides' according to Leriche 1908
- 'Trichiurides delheidi is recombined as Eutrichiurides delheidi'
- 'Trionychidae belongs to Chelonia'