Opinions from G. R. Case 1981
- 'Acrodobatis obliquus is recombined as Ginglymostoma obliquum'
- 'Aetobatus belongs to Myliobatidae'
- 'Carcharhinidae belongs to Isuroidei'
- 'Carcharias was reranked as Squalus (Carcharias) and belongs to Squalus' according to Richardson 1836
- 'Dasyatidae belongs to Dasyatoidei'
- 'Dasyatis borodini belongs to Dasyatis'
- 'Dasyatis charlisae belongs to Dasyatis'
- 'Dasyatoidei belongs to Rajiformes'
- 'Galeiformes belongs to Elasmobranchii'
- 'Galeocerdo belongs to Carcharhinidae'
- 'Galeocerdo clarkensis belongs to Galeocerdo'
- 'Galeorhinus belongs to Carcharhinidae'
- 'Galeorhinus huberensis belongs to Galeorhinus'
- 'Hemipristis belongs to Carcharhinidae'
- 'Hemipristis wyattdurhami belongs to Hemipristis'
- 'Heterodontus pineti belongs to Heterodontus'
- 'Isuridae belongs to Isuroidei'
- 'Isuroidei belongs to Galeiformes'
- 'Isurus belongs to Isuridae'
- 'Isurus oxyrinchus [misspelled as Isurus oxyrhinchus] belongs to Isurus'
- 'Lamna belongs to Isuridae'
- 'Lamna (Odontaspis) acutissima is recombined as Odontaspis acutissima'
- 'Lamna cuspidata is recombined as Odontaspis cuspidata'
- 'Lamna eurybathrodon is recombined as Negaprion eurybathrodon'
- 'Lamna twiggsensis belongs to Lamna'
- 'Myliobatidae belongs to Dasyatoidei'
- 'Myliobatis belongs to Myliobatidae'
- 'Nebriinae belongs to Orectolobidae'
- 'Negaprion belongs to Carcharhinidae'
- 'Odontaspididae is corrected as Odontaspidae and belongs to Isuroidei'
- 'Odontaspis belongs to Odontaspidae'
- 'Orectolobidae belongs to Isuroidei'
- 'Pristidae belongs to Dasyatoidei'
- 'Pristinae belongs to Pristidae'
- 'Pristis belongs to Pristinae'
- 'Pristis lathami belongs to Pristis'
- 'Pristis pickeringi belongs to Pristis'
- 'Procarcharodon belongs to Isuridae'
- 'Propristis belongs to Pristinae'
- 'Propristis schweinfurthi belongs to Propristis'
- 'Rajiformes belongs to Elasmobranchii'
- 'Rhinobatidae belongs to Rhinobatoidei'
- 'Rhinobatoidei belongs to Rajiformes'
- 'Rhinobatos belongs to Rhinobatidae'
- 'Rhinobatos casieri belongs to Rhinobatos'
- 'Rhinoptera belongs to Myliobatidae'
- 'Rhinoptera daviesi belongs to Rhinoptera'
- 'Rhizoprionodon belongs to Carcharhinidae'
- 'Scoliodon belongs to Carcharhinidae'
- 'Scyliorhinidae belongs to Isuroidei'
- 'Scyliorhinus belongs to Scyliorhinidae'
- 'Scyliorhinus distans belongs to Scyliorhinus'
- 'Scyliorhinus enniskilleni belongs to Scyliorhinus'
- 'Sphyrna belongs to Sphyrnidae'
- 'Sphyrnidae belongs to Isuroidei'
- 'Squalus (Carcharias) terraenovae belongs to Squalus (Carcharias)' according to Richardson 1836
- 'Squalus (Carcharias) terraenovae is recombined as Scoliodon terraenovae'
- 'Squalus auriculatus is recombined as Procarcharodon auriculatus'
- 'Squalus galeus belongs to Squalus' according to Linnaeus 1758
- 'Squalus galeus is recombined as Galeorhinus galeus'
- 'Squalus zygaena is recombined as Sphyrna zygaena'
- 'Squatina belongs to Squatinidae'
- 'Squatinidae belongs to Squatinoidei'
- 'Squatinoidei belongs to Selachii'
- 'Trigonodus primus is recombined as Squatina prima'