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