Fig. 7

Power spiral (power cascade with a central axis of a logarithmic spiral) can closely emulate real teeth from all vertebrate groups. 3D scan models (grey) and simulated teeth (orange) in two views for megalodon shark Carcharocles megalodon (NMV P28786), mosasaur Globidens alabamensis (USNM 54078), tyrannosaurid Tyrannosaurus rex (UWBM 99000), African elephant Loxodonta africana (NMV C30765), babirusa pig Babyrousa celebensis (ZMB MAM033677), and sabre-tooth cat Smilodon fatalis (LACM HC2000R43)