From: Molecular phylogeny of Squaliformes and first occurrence of bioluminescence in sharks
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 |