Outgroup
Macrourogaleus
Paraorthacodus
Synechodus
Palidiplospinax
Sphenodus
Mucrovenator
Pseudonotidanus
Welcommia
Synechodus_prorogatus
pre_Jurassic_Synechodus
Rhomphaiodon
Carcharhiniformes
Lamniformes
Orectolobiformes
Heterodontus
Chlamydoselachus
Notorynchus
Heptranchias
Hexanchus
Echinorhinus
Squalidae
Pristiophoridae
Squatina
Centrophoridae
Etmopteridae
Oxynotus
Somniosidae
Euprotomicrininae
Dalatiinae