Table

- Bryozoan generic extinctions and originations during the last one hundred million years

stage

Midpoint (myr)

duration (myr)

cheilo lasts

cheilo firsts

stage only

standing

cyclo lasts

cyclo firsts

stage only

standing

Albian

105.6

13.3

3

4

1

10

2

3

0

63

Cenomanian

96.2

5.4

8

31

7

44

9

28

6

95

Turonian

91.3

4.5

4

14

2

45

2

11

0

91

Coniacian

87.4

3.2

8

30

5

74

2

18

1

108

Santonian

84.7

2.3

11

23

4

88

1

6

0

111

Campanian

77.4

12.2

21

47

6

126

14

22

3

135

Maastrichtian

68.2

6.3

55

60

26

185

61

34

18

170

Danian

63

4.1

33

31

13

148

26

6

3

100

Thanetian (& Seelandian)

57.9

6.1

20

19

4

125

7

4

0

75

Ypresian

51.9

5.8

5

29

3

133

1

5

0

73

Lutetian

45.2

7.7

12

49

8

182

3

2

0

74

Bartonian

39.2

4.3

6

36

3

201

2

2

1

74

Priabonian

35.4

3.3

24

29

4

225

10

5

3

79

Rupelian

31.1

5.2

13

10

1

208

2

5

0

71

Chattian

26.2

4.7

5

8

1

203

1

1

0

70

Aquitanian

22.2

3.3

6

14

5

216

1

0

0

69

Burdigalian

18.5

4.1

13

28

7

240

3

3

1

72

Langhian

15.6

1.6

6

9

5

234

1

2

0

70

Serravalian

13

3.6

13

18

9

250

4

4

2

75

Tortonian

9.2

4.1

6

10

2

240

5

0

0

69

Messinian

6.2

1.8

9

8

5

245

3

0

0

64

Zanclean

4.4

1.7

5

7

0

238

4

2

2

65

Piacenzian

2.7

1.8

6

9

3

245

6

3

2

64

Pleistocene

0.9

1.8

4

8

1

245

1

2

0

58