|  Echinorhiniformes Echinorhinus |
|  Squalomorphii | Protospinaciformes | Protospinacidae †Protospinax 183-151 Mya |
| Squalomorphii | Protospinaciformes | Protospinacidae †Breviacanthus 168 Mya |
| Squalomorphii | Hexanchiformes | Crassodontidanidae †Crassodontidanus |
| Squalomorphii | Hexanchiformes | Crassodontidanidae †Notidanoides |
| Squalomorphii | Hexanchiformes | Crassodontidanidae †Notidanus |
| Squalomorphii | Hexanchiformes | Crassodontidanidae †Pachyhexanchus |
|  Squalomorphii | Hexanchiformes | Mcmurdodontidae †Mcmurdodus |
|  Squalomorphii | Hexanchiformes | Chlamydoselachidae Chlamydoselachus frilled sharks |
| Squalomorphii | Hexanchiformes | Hexanchidae †Gladioserratus |
| Squalomorphii | Hexanchiformes | Hexanchidae †Notidanodon |
| Squalomorphii | Hexanchiformes | Hexanchidae †Pachyhexanchus |
| Squalomorphii | Hexanchiformes | Hexanchidae †Paraheptranchias |
| Squalomorphii | Hexanchiformes | Hexanchidae †Weltonia |
|  Squalomorphii | Hexanchiformes | Hexanchidae Heptranchias sharpnose sevengill shark |
|  Squalomorphii | Hexanchiformes | Hexanchidae Hexanchus |
|  Squalomorphii | Hexanchiformes | Hexanchidae Notorynchus broadnose sevengill shark |
|  Squalomorphii | Squatiniformes Squatina angelsharks |
| Squalomorphii | Pristiophoriformes †Ikamauius |
|  Squalomorphii | Pristiophoriformes †Propristiophorus |
|  Squalomorphii | Pristiophoriformes Pliotrema |
|  Squalomorphii | Pristiophoriformes Pristiophorus |
|  Squalomorphii | Squaliformes | Centrophoridae Centrophorus |
|  Squalomorphii | Squaliformes | Centrophoridae Deania |
| Squalomorphii | Squaliformes | Dalatiidae Euprotomicroides |
| Squalomorphii | Squaliformes | Dalatiidae Heteroscymnoides |
|  Squalomorphii | Squaliformes | Dalatiidae Mollisquama |
|  Squalomorphii | Squaliformes | Dalatiidae Dalatias |
|  Squalomorphii | Squaliformes | Dalatiidae Isistius |
|  Squalomorphii | Squaliformes | Dalatiidae Euprotomicrus |
|  Squalomorphii | Squaliformes | Dalatiidae Squaliolus |
|  Squalomorphii | Squaliformes | Etmopteridae Aculeola |
|  Squalomorphii | Squaliformes | Etmopteridae Centroscyllium |
|  Squalomorphii | Squaliformes | Etmopteridae Etmopterus |
|  Squalomorphii | Squaliformes | Etmopteridae Trigonognathus |
|  Squalomorphii | Squaliformes | Oxynotidae Oxynotus |
|  Squalomorphii | Squaliformes | Somniosidae Centroscymnus |
|  Squalomorphii | Squaliformes | Somniosidae Centroselachus |
|  Squalomorphii | Squaliformes | Somniosidae Scymnodalatias |
|  Squalomorphii | Squaliformes | Somniosidae Scymnodon |
|  Squalomorphii | Squaliformes | Somniosidae Somniosus |
|  Squalomorphii | Squaliformes | Somniosidae Zameus |
|  Squalomorphii | Squaliformes | Squalidae Cirrhigaleus |
|  Squalomorphii | Squaliformes | Squalidae Squalus |
|  Galeomorphii | Heterodontiformes Heterodontus bullhead sharks |
|  Galeomorphii | Orectolobiformes | Brachaeluridae Brachaelurus blind sharks |
|  Galeomorphii | Orectolobiformes | Ginglymostomatidae Ginglymostoma nurse shark |
|  Galeomorphii | Orectolobiformes | Ginglymostomatidae Nebrius tawny nurse shark |
|  Galeomorphii | Orectolobiformes | Ginglymostomatidae Pseudoginglymostoma short-tail nurse shark |
|  Galeomorphii | Orectolobiformes | Hemiscyllidae Chiloscyllium |
|  Galeomorphii | Orectolobiformes | Hemiscyllidae Hemiscyllium |
|  Galeomorphii | Orectolobiformes | Orectolobidae Eucrossorhinus |
|  Galeomorphii | Orectolobiformes | Orectolobidae Orectolobus |
|  Galeomorphii | Orectolobiformes | Orectolobidae Sutorectus |
|  Galeomorphii | Orectolobiformes | Parascyllidae Cirrhoscyllium |
|  Galeomorphii | Orectolobiformes | Parascyllidae Parascyllium |
|  Galeomorphii | Orectolobiformes | Rhincodontidae Rhincodon whale shark |
|  Galeomorphii | Orectolobiformes | Stegostomatidae Stegostoma |
|  Galeomorphii | Lamniformes | Anacoracidae †Squalicorax crow shark |
| Galeomorphii | Lamniformes | Anacoracidae †Telodontaspis |
|  Galeomorphii | Lamniformes | Anacoracidae †Pseudocorax |
| Galeomorphii | Lamniformes | Anacoracidae †Galeocorax |
| Galeomorphii | Lamniformes | Anacoracidae †Scindocorax |
| Galeomorphii | Lamniformes | Anacoracidae †Nanocorax |
| Galeomorphii | Lamniformes | Anacoracidae †Ptychocorax |
|  Galeomorphii | Lamniformes | Aquilolamnidae †Aquilolamna eagle shark |
| Galeomorphii | Lamniformes | Eoptolamnidae †Eoptolamna |
|  Galeomorphii | Lamniformes | Eoptolamnidae †Leptostyrax |
| Galeomorphii | Lamniformes | Eoptolamnidae †Protolamna |
|  Galeomorphii | Lamniformes | Alopiidae Alopias thresher sharks |
| Galeomorphii | Lamniformes | Cetorhinidae †Keasius |
|  Galeomorphii | Lamniformes | Cetorhinidae Cetorhinus basking shark |
|  Galeomorphii | Lamniformes | Lamnoidea | Cardabiodontidae †Cardabiodon |
|  Galeomorphii | Lamniformes | Lamnoidea | Cardabiodontidae †Dwardius |
|  Galeomorphii | Lamniformes | Lamnoidea | Cardabiodontidae †Parotodus |
|  Galeomorphii | Lamniformes | Lamnoidea | Cretoxyrhinidae †Cretoxyrhina Ginsu shark |
|  Galeomorphii | Lamniformes | Lamnoidea | Serratolamnidae †Serratolamna |
|  Galeomorphii | Lamniformes | Lamnoidea | Otodontidae †Cretalamna |
|  Galeomorphii | Lamniformes | Lamnoidea | Otodontidae †Otodus megatoothed sharks |
|  Galeomorphii | Lamniformes | Lamnoidea | Otodontidae †Megalolamna |
|  Galeomorphii | Lamniformes | Lamnoidea | Otodontidae †Palaeocarcharodon |
|  Galeomorphii | Lamniformes | Lamnoidea | Otodontidae †Kenolamna |
|  Galeomorphii | Lamniformes | Lamnoidea | Lamnidae Carcharodon white sharks |
|  Galeomorphii | Lamniformes | Lamnoidea | Lamnidae Isurus mako sharks |
|  Galeomorphii | Lamniformes | Lamnoidea | Lamnidae Lamna |
|  Galeomorphii | Lamniformes | Lamnoidea | Megachasmidae Megachasma megamouth shark |
|  Galeomorphii | Lamniformes | Lamnoidea | Mitsukurinidae Mitsukurina goblin shark |
|  Galeomorphii | Lamniformes | Lamnoidea | Odontaspididae Carcharias sand tiger shark |
|  Galeomorphii | Lamniformes | Lamnoidea | Odontaspididae Odontaspis |
|  Galeomorphii | Lamniformes | Lamnoidea | Pseudocarchariidae Pseudocarcharias crocodile shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Galeocerdo tiger shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Carcharhinus |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Glyphis |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Lamiopsis broadfin sharks |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Nasolamia whitenose shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Negaprion lemon sharks |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Prionace blue shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Rhizoprionodon sharpnose sharks |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Loxodon sliteye shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Isogomphodon daggernose shark |
|  Galeomorphii | Carcharhiniformes | Galeocerdonidae Triaenodon whitetip reef shark |
|  Galeomorphii | Carcharhiniformes | Hemigaleidae Chaenogaleus |
|  Galeomorphii | Carcharhiniformes | Hemigaleidae Hemigaleus |
|  Galeomorphii | Carcharhiniformes | Hemigaleidae Hemipristis |
|  Galeomorphii | Carcharhiniformes | Hemigaleidae Paragaleus |
|  Galeomorphii | Carcharhiniformes | Leptochariidae Leptocharias barbeled houndshark |
|  Galeomorphii | Carcharhiniformes | Sphyrnidae Eusphyra |
|  Galeomorphii | Carcharhiniformes | Sphyrnidae Sphyrna |
| Galeomorphii | Carcharhiniformes | Scylorhinidae Akheilos |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Apristurus |
| Galeomorphii | Carcharhiniformes | Scylorhinidae Asymbolus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Atelomycterus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Aulohalaelurus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Bythaelurus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Cephaloscyllium |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Cephalurus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Figaro |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Galeus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Halaelurus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Haploblepharus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Holohalaelurus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Parmaturus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Pentanchus |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Poroderma |
| Galeomorphii | Carcharhiniformes | Scylorhinidae Schroederichthys |
|  Galeomorphii | Carcharhiniformes | Scylorhinidae Scyliorhinus |
| Galeomorphii | Carcharhiniformes | Proscyllidae Proscyllium |
|  Galeomorphii | Carcharhiniformes | Proscyllidae Eridacnis |
| Galeomorphii | Carcharhiniformes | Proscyllidae Ctenacis harlequin catshark |
|  Galeomorphii | Carcharhiniformes | Pseudotriakidae Gollum |
| Galeomorphii | Carcharhiniformes | Pseudotriakidae Planonasus |
|  Galeomorphii | Carcharhiniformes | Pseudotriakidae Pseudotriakis |
|  Galeomorphii | Carcharhiniformes | Triakidae Furgaleus |
|  Galeomorphii | Carcharhiniformes | Triakidae Galeorhinus |
| Galeomorphii | Carcharhiniformes | Triakidae Gogolia |
|  Galeomorphii | Carcharhiniformes | Triakidae Hemitriakis |
|  Galeomorphii | Carcharhiniformes | Triakidae Hypogaleus |
| Galeomorphii | Carcharhiniformes | Triakidae Iago |
|  Galeomorphii | Carcharhiniformes | Triakidae Mustelus |
|  Galeomorphii | Carcharhiniformes | Triakidae Scylliogaleus |
|  Galeomorphii | Carcharhiniformes | Triakidae Triakis |
|  Galeomorphii | Carcharhiniformes | Carcharhinidae Scoliodon spadenose sharks |