Opinions from C. J. Underwood and D. J. Ward 2004
- 'Belemnobatis belongs to Rhinobatidae'
- 'Belemnobatis kermacki belongs to Belemnobatis'
- 'Belemnobatis stahli belongs to Belemnobatis'
- 'Breviacanthus belongs to Protospinacidae'
- 'Carcharhiniformes belongs to Galea'
- 'Dorsetoscyllium belongs to Orectolobiformes'
- 'Dorsetoscyllium terreafullonicum belongs to Dorsetoscyllium'
- 'Eypea belongs to Proscylliidae'
- 'Eypea leesi belongs to Eypea'
- 'Galea belongs to Neoselachii'
- 'Heterodontidae belongs to Heterodontiformes'
- 'Heterodontiformes belongs to Galea'
- 'Heterophorcynus belongs to Orectolobiformes'
- 'Heterophorcynus microdon belongs to Heterophorcynus'
- 'Hexanchiformes belongs to Squalea'
- 'Hypnosqualea belongs to Neoselachii'
- 'Nemacanthus brevis is recombined as Breviacanthus brevis'
- 'Orectolobiformes belongs to Galea'
- 'Orectoloboides glashoffi belongs to Orectoloboides' according to Thies 1983
- 'Orectoloboides glashoffi is recombined as Ornatoscyllium glashoffi'
- 'Orectoloboides pattersoni belongs to Orectoloboides' according to Thies 1983
- 'Orectoloboides pattersoni is recombined as Ornatoscyllium pattersoni'
- 'Ornatoscyllium belongs to Orectolobiformes'
- 'Ornatoscyllium freemani belongs to Ornatoscyllium'
- 'Palaeobrachaelurus belongs to Orectolobiformes'
- 'Palaeobrachaelurus mussetti belongs to Palaeobrachaelurus'
- 'Palaeoscyllium belongs to Scyliorhinidae'
- 'Palaeoscyllium tenuidens belongs to Palaeoscyllium'
- 'Palaeospinacidae belongs to Synechodontiformes'
- 'Palaeospinax politus is recombined as Pseudonotidanus politus'
- 'Paracestracion belongs to Heterodontidae'
- 'Paranotidanus belongs to Hexanchiformes'
- 'Praeproscyllium belongs to Proscylliidae'
- 'Praeproscyllium oxoniensis belongs to Praeproscyllium'
- 'Proheterodontus belongs to Heterodontidae'
- 'Proheterodontus sylvestris belongs to Proheterodontus'
- 'Proscylliidae belongs to Carcharhiniformes'
- 'Protospinacidae belongs to Hypnosqualea'
- 'Protospinax belongs to Protospinacidae'
- 'Protospinax bilobatus belongs to Protospinax'
- 'Protospinax carvalhoi belongs to Protospinax'
- 'Protospinax magnus belongs to Protospinax'
- 'Pseudonotidanidae belongs to Synechodontiformes'
- 'Pseudonotidanus belongs to Pseudonotidanidae'
- 'Pseudonotidanus semirugosus belongs to Pseudonotidanus'
- 'Rajiformes belongs to Squalea'
- 'Rhinobatidae belongs to Rajiformes'
- 'Scyliorhinidae belongs to Carcharhiniformes'
- 'Spathobatis belongs to Rhinobatidae'
- 'Spathobatis delsatei belongs to Spathobatis'
- 'Squalea belongs to Neoselachii'
- 'Synechodontiformes belongs to Squalea'
- 'Synechodus belongs to Palaeospinacidae'
- 'Welcommia belongs to Pseudonotidanidae'