Cosmoselachus Cladodus Barbclabornia Ctenacanthus Symmorium Plesioselachus Dwykaselachus Gyracanthidae Goodrichthys Ptomacanthus Glikmanius Plicatodus Tetanopsyrus Adamantina (fish) Mesacanthus Altholepis Gladbachus Brochoadmones Triodus Cheiracanthus Nerepisacanthus Poracanthodes Aztecodus Saivodus Kawichthys Cobelodus Acanthodes Climatius Avonacanthus Podoliacanthus Bransonella Nostolepis Gogoselachus Phoebodus Squatinactis Elegestolepis Xylacanthus (fish) Mongolepidida Maghriboselache Ferromirum Triazeugacanthus Fanjingshania Gyracanthides Arduodens Mcmurdodus Dracopristis Ozarcus Falcatidae Acanthodops…

sis Kaibabvenator Cladodoides Falcatus Symmoriidae Qianodus Akmonistion Gyracanthus Ischnacanthus Lebachacanthus Xenacanthus Parexus Thrinacodus Acanthodiformes Orthacanthus Phoebodontiformes Diplacanthiformes Ischnacanthiformes Stethacanthus Cladoselachidae Xenacanthida Climatiiformes Ctenacanthiformes Acanthodii Cladoselache Symmoriiformes Diplacanthus Antarctilamna 2021 in paleoichthyology