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Table 1 Node time estimates for major splitting events

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