Opinions from D. S. Jordan and H. Hanibal 1923
- 'Acrodus belongs to Heterodontidae'
- 'Acrodus alexandrae belongs to Acrodus'
- 'Acrodus oreodontus [misspelled as Acrodus creodontus] belongs to Acrodus'
- 'Acrodus wempliae belongs to Acrodus'
- 'Aetobatus belongs to Aetobatidae'
- 'Aetobatus aragonis belongs to Aetobatus'
- 'Asteracanthus [misspelled as Asteraganthus] belongs to Heterodontidae'
- 'Carcharhinus belongs to Galeorhinidae'
- 'Carcharhinus magdalenae belongs to Carcharhinus'
- 'Carcharias belongs to Carchariidae'
- 'Carcharias (Prionodon) antiquus is recombined as Carcharhinus antiquus'
- 'Carcharias lomitae belongs to Carcharias'
- 'Carcharias morricei is recombined as Xiphodolamia morricei'
- 'Carcharias sanctaecrucis belongs to Carcharias'
- 'Carcharias virgatulus belongs to Carcharias'
- 'Carcharocles belongs to Carcharodontidae'
- 'Carcharodon belongs to Carcharodontidae'
- 'Carcharodon arnoldi belongs to Carcharodon'
- 'Carcharodon branneri belongs to Carcharodon'
- 'Carcharodon leviathan belongs to Carcharodon'
- 'Carcharodon purplei belongs to Carcharodon'
- 'Carcharodon rectus is recombined as Carcharocles rectus'
- 'Carcharodon riversi belongs to Carcharodon'
- 'Cestracion francisci belongs to Cestracion' according to Girard 1855
- 'Cestracion francisci is recombined as Gyropleurodus francisci'
- 'Cestracion francisci is recombined as Gyropleurodus francisci'
- 'Cosmacanthus belongs to Heterodontidae'
- 'Cosmacanthus elegans belongs to Cosmacanthus'
- 'Cosmacanthus humboldtensis [misspelled as Cosmacanthus humboldtenis] belongs to Cosmacanthus'
- 'Echinorhinus belongs to Scymnorhinidae'
- 'Echinorhinus blakei belongs to Echinorhinus'
- 'Galeocerdo productus is a subjective synonym of Gyrace occidentalis'
- 'Gyrace belongs to Galeorhinidae'
- 'Gyropleurodus belongs to Hexanchidae'
- 'Hemipristis belongs to Galeorhinidae'
- 'Hemipristis chiconis is recombined as Notidanion chiconis'
- 'Hemipristis heteropleurus belongs to Hemipristis'
- 'Hemipristis serra is a subjective synonym of Hemipristis heteropleurus'
- 'Heptranchias belongs to Hexanchidae'
- 'Heptranchias andersoni belongs to Heptranchias'
- 'Hybodus belongs to Heterodontidae'
- 'Hybodus nevadensis belongs to Hybodus'
- 'Hybodus shastensis belongs to Hybodus'
- 'Isuropsis is a subjective synonym of Isurus'
- 'Isurus belongs to Lamnidae'
- 'Isurus sanctaeclarae belongs to Isurus'
- 'Isurus smithii is a subjective synonym of Isurus hastalis'
- 'Lamna belongs to Lamnidae'
- 'Lamna caurina belongs to Lamna'
- 'Lamna clavata is recombined as Carcharias clavata'
- 'Lamna ornata is recombined as Carcharias ornatus'
- 'Myliobatis merriami is recombined as Aetobatus merriami'
- 'Notidanion belongs to Hexanchidae'
- 'Notidanion boreale belongs to Notidanion'
- 'Oxyrhina is a subjective synonym of Isurus'
- 'Oxyrhina hastalis is recombined as Isurus hastalis'
- 'Oxyrhina plana is a subjective synonym of Isurus hastalis'
- 'Oxyrhina tumula is a subjective synonym of Isurus hastalis'
- 'Rhinoptera smithi is recombined as Aetobatus smithii'
- 'Scymnus occidentalis is recombined as Gyrace occidentalis'
- 'Squalus belongs to Squalidae'
- 'Squalus serriculus belongs to Squalus'
- 'Squatina belongs to Squatinidae'
- 'Squatina lerichei belongs to Squatina'
- 'Strophodus is a subjective synonym of Asteraganthus'
- 'Strophodus shastensis is recombined as Asteracanthus shastensis'
- 'Triakis beali is a subjective synonym of Gyrace occidentalis'
- 'Urobatis belongs to Urolophidae'
- 'Urolophus halleri belongs to Urolophus' according to Cooper 1863
- 'Urolophus halleri is recombined as Urobatis halleri'
- 'Xiphodolamia belongs to Galeorhinidae'