| |  Phoebodontiformes †Phoebodus |
| | Phoebodontiformes †Diademodus |
| |  Phoebodontiformes †Thrinacodus |
| |  Squatinactiformes †Squatinactis |
| | Protacrodontiformes †Protacrodus |
| |  Xenacanthida | Bransonelliformes †Barbclabornia |
| |  Xenacanthida | Bransonelliformes †Bransonella |
| | Xenacanthida | Xenacanthiformes †Anodontacanthus |
| | Xenacanthida | Xenacanthiformes †Tikiodontus |
| | Xenacanthida | Xenacanthiformes | Diploselachidae †Diplodoselache |
| | Xenacanthida | Xenacanthiformes | Diploselachidae †Dicentrodus |
| | Xenacanthida | Xenacanthiformes | Diploselachidae †Hagenoselache |
| | Xenacanthida | Xenacanthiformes | Diploselachidae †Hokomata |
| |  Xenacanthida | Xenacanthiformes | Diploselachidae †Lebachacanthus |
| | Xenacanthida | Xenacanthiformes | Diploselachidae †Reginaselache |
| |  Xenacanthida | Xenacanthiformes | Sphenacanthidae †Sphenacanthus |
| | Xenacanthida | Xenacanthiformes | Sphenacanthidae †Xenosynechodus |
| |  Xenacanthida | Xenacanthiformes | Orthacanthidae †Orthacanthus |
| | Xenacanthida | Xenacanthiformes | Xenacanthidae †Mooreodontus |
| | Xenacanthida | Xenacanthiformes | Xenacanthidae †Plicatodus |
| |  Xenacanthida | Xenacanthiformes | Xenacanthidae †Triodus |
| |  Xenacanthida | Xenacanthiformes | Xenacanthidae †Xenacanthus |
| | Xenacanthida | Xenacanthiformes | Xenacanthidae †Wurdigneria |
| | Ctenacanthiformes †Acandylacanthus |
| | Ctenacanthiformes †Arauzia |
| |  Ctenacanthiformes †Goodrichthys |
| |  Ctenacanthiformes †Kaibabvenator |
| | Ctenacanthiformes †Moyacanthus |
| | Ctenacanthiformes †Nanoskalme |
| | Ctenacanthiformes †Neosaivodus |
| | Ctenacanthiformes †Pororhiza |
| | Ctenacanthiformes †Saivodus |
| | Ctenacanthiformes | Heslerodidae †Heslerodus |
| | Ctenacanthiformes | Ctenacanthoidea †Anaclitacanthus |
| | Ctenacanthiformes | Ctenacanthoidea †Asteroptychius |
| | Ctenacanthiformes | Ctenacanthoidea †Carinacanthus |
| | Ctenacanthiformes | Ctenacanthoidea †Pyknotylacanthus |
| | Ctenacanthiformes | Ctenacanthoidea †Rhombacanthus |
| |  Ctenacanthiformes | Ctenacanthoidea †Wodnika |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Acondylacanthus |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Amelacanthus |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Bythiacanthus |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Cratoselache |
| |  Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Ctenacanthus |
| |  Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Dracopristis |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Eunemacanthus |
| |  Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Glikmanius |
| | Ctenacanthiformes | Ctenacanthoidea | Ctenacanthidae †Glymmatacanthus |
| |  Ctenacanthiformes | Ctenacanthoidea | Bandringidae †Bandringa |
| | Ctenacanthiformes | Ctenacanthoidea | Tamiobatidae †Tamiobatis |
| |  Euselachii | Hybodontiformes | Acrodontidae †Acrodus |
| |  Euselachii | Hybodontiformes | Acrodontidae †Strophodus |
| |  Euselachii | Hybodontiformes | Hybodontidae †Asteracanthus |
| |  Euselachii | Hybodontiformes | Hybodontidae †Diablodontus |
| | Euselachii | Hybodontiformes | Hybodontidae †Dicrenodus |
| |  Euselachii | Hybodontiformes | Hybodontidae †Egertonodus |
| |  Euselachii | Hybodontiformes | Hybodontidae †Hybodus |
| |  Euselachii | Hybodontiformes | Hybodontidae †Meristodonoides |
| |  Euselachii | Hybodontiformes | Hybodontidae †Planohybodus |
| | Euselachii | Hybodontiformes | Hybodontidae †Priohybodus |
| | Euselachii | Hybodontiformes | Hybodontidae †Sphenonchus |
| | Euselachii | Hybodontiformes | Hybodontidae †Tribodus |
| |  Euselachii | Hybodontiformes | Lonchidiidae †Lonchidion |
| | Euselachii | Hybodontiformes | Polyacrodontidae †Polyacrodus |
| |  Euselachii | Neoselachii | Ptychodontidae †Ptychodus |
| | Euselachii | Neoselachii | Synechodontiformes †Rhomphaiodon |
| | Euselachii | Neoselachii | Synechodontiformes †Mucrovenator |
| | Euselachii | Neoselachii | Synechodontiformes †Safrodus |
| | Euselachii | Neoselachii | Synechodontiformes †Polyfaciodus |
| |  Euselachii | Neoselachii | Synechodontiformes | Orthacodontidae †Sphenodus |
| | Euselachii | Neoselachii | Synechodontiformes | Orthacodontidae †Occitanodus |
| | Euselachii | Neoselachii | Synechodontiformes | Pseudonotidanidae †Welcommia |
| | Euselachii | Neoselachii | Synechodontiformes | Pseudonotidanidae †Pseudonotidanus |
| | Euselachii | Neoselachii | Synechodontiformes | Palaeospinacidae †Antrigoulia |
| |  Euselachii | Neoselachii | Synechodontiformes | Palaeospinacidae †Synechodus |
| | Euselachii | Neoselachii | Synechodontiformes | Palaeospinacidae †Palidiplospinax |
| |  Euselachii | Neoselachii | Synechodontiformes | Paraorthacodontidae †Paraorthacodus |
| |  Euselachii | Neoselachii | Synechodontiformes | Paraorthacodontidae †Macrourogaleus |
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