Opinions from H. Cappetta et al. 2019
- 'Carcharias belongs to Odontaspididae'
- 'Carcharias dominguei belongs to Carcharias'
- 'Centroscymnus belongs to Somniosidae'
- 'Centrosqualus belongs to Squalidae'
- 'Centrosqualus mustardi belongs to Centrosqualus'
- 'Chlamydoselachus belongs to Chlamydoselachidae'
- 'Chlamydoselachus balli belongs to Chlamydoselachus'
- 'Chlamydoselachus bracheri is recombined as Rolfodon bracheri'
- 'Chlamydoselachus bracheri belongs to Chlamydoselachus' according to Pfeil 1983
- 'Chlamydoselachus goliath is recombined as Rolfodon goliath'
- 'Chlamydoselachus goliath belongs to Chlamydoselachus' according to Antunes and Cappetta 2002
- 'Chlamydoselachus keyesi is recombined as Rolfodon keyesi'
- 'Chlamydoselachus landinii is recombined as Rolfodon landinii'
- 'Chlamydoselachus tatere belongs to Chlamydoselachus' according to Consoli 2008
- 'Chlamydoselachus tatere is recombined as Rolfodon tatere'
- 'Chlamydoselachus thomsoni belongs to Chlamydoselachus' according to Richter and Ward 1990
- 'Chlamydoselachus thomsoni is recombined as Rolfodon thomsoni'
- 'Dykeius belongs to Chlamydoselachidae'
- 'Dykeius garethi belongs to Dykeius'
- 'Echinorhinus belongs to Echinorhinidae'
- 'Echinorhinus lapaoi belongs to Echinorhinus' according to Antunes and Cappetta 2002
- 'Echinorhinus lapaoi belongs to Echinorhinus'
- 'Echinorhinus maremagnum belongs to Echinorhinus' according to Bogan 2017
- 'Echinorhinus maremagnum is a subjective synonym of Echinorhinus lapaoi'
- 'Eoetmopterus belongs to Etmopteridae'
- 'Eoetmopterus supracretaceus belongs to Eoetmopterus'
- 'Florenceodon belongs to Florenceodontidae'
- 'Florenceodon johnyi belongs to Florenceodon'
- 'Florenceodontidae belongs to Carcharhiniformes'
- 'Ginglymostoma globidens is recombined as Plicatoscyllium globidens'
- 'Hemiscyllium belongs to Hemiscylliidae'
- 'Hemiscyllium hermani belongs to Hemiscyllium'
- 'Hessinodon belongs to Dalatiidae'
- 'Hessinodon wardi belongs to Hessinodon'
- 'Hexanchus belongs to Hexanchidae'
- 'Komoksodon belongs to Komoksodontidae'
- 'Komoksodon kwutchakuth belongs to Komoksodon'
- 'Komoksodontidae belongs to Hexanchiformes'
- 'Notidanodon belongs to Hexanchidae'
- 'Notidanus dentatus is recombined as Xampylodon dentatus'
- 'Notidanus microdon is recombined as Hexanchus microdon'
- 'Notidanus pectinatus is recombined as Notidanodon pectinatus'
- 'Paraorthacodus belongs to Paraorthacodontidae'
- 'Paraorthacodus rossi belongs to Paraorthacodus'
- 'Plicatoscyllium belongs to Ginglymostomatidae'
- 'Pristiophorus belongs to Pristiophoridae'
- 'Pristiophorus pricei belongs to Pristiophorus'
- 'Pristiophorus smithi belongs to Pristiophorus'
- 'Protocentrophorus belongs to Squalidae'
- 'Protocentrophorus steviae belongs to Protocentrophorus'
- 'Protoheptranchias belongs to Hexanchidae'
- 'Protoheptranchias lowei belongs to Protoheptranchias'
- 'Rhinoscymnus belongs to Somniosidae'
- 'Rhinoscymnus clarki belongs to Rhinoscymnus'
- 'Rolfodon belongs to Chlamydoselachidae'
- 'Rolfodon ludvigseni belongs to Rolfodon'
- 'Squaliodalatias belongs to Dalatiidae'
- 'Squaliodalatias savoiei belongs to Squaliodalatias'
- 'Squalus belongs to Squalidae'
- 'Squalus nicholsae belongs to Squalus'
- 'Squalus vondermarcki belongs to Squalus' according to Müller and Schöllmann 1989
- 'Squalus vondermarcki belongs to Squalus'
- 'Synechodus belongs to Palaeospinacidae'
- 'Synechodus dereki belongs to Synechodus'
- 'Thrinax baumgartneri belongs to Thrinax' according to Pfeil 1983
- 'Xampylodon belongs to Hexanchidae'