|  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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