Opinions from G. R. Case 1978
- 'Anacoracidae belongs to Euselachii'
- 'Archaeotriakis belongs to Pseudotriakidae'
- 'Archaeotriakis rochelleae belongs to Archaeotriakis'
- 'Batoidea belongs to Euselachiformes'
- 'Corax kaupii is recombined as Squalicorax kaupi'
- 'Cretorectolobus belongs to Orectolobidae'
- 'Cretorectolobus olsoni belongs to Cretorectolobus'
- 'Cretoxyrhinidae belongs to Orectoloboidei'
- 'Dasyatidae belongs to Batoidea'
- 'Eucrossorhinus belongs to Orectolobidae'
- 'Eucrossorhinus microcuspidatus belongs to Eucrossorhinus'
- 'Euselachiformes belongs to Elasmobranchii'
- 'Euselachii belongs to Euselachiformes'
- 'Ganopristinidea belongs to Batoidea'
- 'Hybodontes is corrected as Hybodontidae and belongs to Selachii'
- 'Hybodontiformes belongs to Elasmobranchii'
- 'Hybodus belongs to Hybodontidae'
- 'Hybodus montanensis belongs to Hybodus'
- 'Hybodus storeri belongs to Hybodus'
- 'Hypotodus belongs to Odontaspidae'
- 'Hypotodus grandis belongs to Hypotodus'
- 'Ischyrhiza belongs to Sclerorhynchidae'
- 'Ischyrhiza avonicola belongs to Ischyrhiza'
- 'Ischyrhiza mira belongs to Ischyrhiza'
- 'Ischyrhiza texana belongs to Ischyrhiza'
- 'Lamna arcuata belongs to Lamna' according to Woodward 1894
- 'Lamna arcuata is recombined as Plicatolamna arcuata'
- 'Myledaphus belongs to Dasyatidae'
- 'Myledaphus bipartitus belongs to Myledaphus'
- 'Odontaspididae [misspelled as Odontaspidae] belongs to Orectoloboidei'
- 'Odontaspis belongs to Odontaspidae'
- 'Odontaspis sanguinei belongs to Odontaspis'
- 'Orectolobidae belongs to Orectoloboidei'
- 'Orectoloboidei belongs to Euselachii'
- 'Plicatolamna belongs to Cretoxyrhinidae'
- 'Protoplatyrhina belongs to Rhinobatidae'
- 'Protoplatyrhina renae belongs to Protoplatyrhina'
- 'Pseudotriakidae belongs to Orectoloboidei'
- 'Ptychotrygon belongs to Batoidea'
- 'Ptychotrygon blainensis belongs to Ptychotrygon'
- 'Rajiformes belongs to Euselachiformes'
- 'Rhinobatidae belongs to Rhinobatoidei'
- 'Rhinobatoidei belongs to Rajiformes'
- 'Sclerorhynchidae belongs to Ganopristinidea'
- 'Selachii belongs to Hybodontiformes'
- 'Squalicorax belongs to Anacoracidae'
- 'Synechodontidae belongs to Euselachii'
- 'Synechodus belongs to Synechodontidae'
- 'Synechodus andersoni belongs to Synechodus'
- 'Synechodus striatus belongs to Synechodus'