Table 1.

Node time estimates for major splitting events

Nr.	Node	Node age	95 % HPD	Series/Epoch
1	Squalomorphii	202.8	190 – 241.32	Middle Triassic to Lower Jurassic
2	Splitting of Squaliformes from the clade comprising Echinorhinus, Squatina, Pliotrema & Pristiophorus	177.34	153.85 – 203.99	Upper Triassic to Upper Jurassic
3	Clade comprising Echinorhinus, Squatina, Pliotrema & Pristiophorus	147.59	145-156.1	Upper Jurassic
4	Radiation Squaliformes	132.86	130 – 143.18	Lower Cretaceous
5	Split Centrophoridae from Dalatiidae, Etmopteridae, Oxynotidae & Somniosidae	126.68	113.94 – 137.88	Lower Cretaceous
6	Split Dalatiidae from Etmopteridae, Oxynotidae & Somniosidae	116.1	99.2 – 131.01	Transition Lower to Upper Cretaceous
7	Split Etmopteridae from Somniosidae & Oxynotidae	110.51	92.81 – 124.88	Transition Lower to Upper Cretaceous
8	Split Centrophorus from Deania	90.82	89 – 96.84	Upper Cretaceous
9	Split Somniosus from Oxynotidae & remaining Somniosidae	92.29	64.8 – 114.49	Upper Cretaceous
10	Radiation Dalatiidae	83.57	65 – 105.4	Upper Cretaceous
11	Radiation Etmopteridae	77.15	65 – 90.66	Upper Cretaceous
12	Radiation Etmopterus	60.38	46.28 – 74.64	Upper Cretaceous to Palaeocene
13	Split Trigonognathus from Aculeola & Centroscyllium	61.5	44.5 – 76.86	Upper Cretaceous to Palaeocene
14	Radiation Somniosidae excluding Somniosus	43.4	24.46 – 63.94	Eocene
15	Split Oxynotus from Scymnodon	28.91	15.32 – 47.11	Oligocene