Press to Close

Table 5. Number of species and calculated average longevity values for species in the Lazarus data set.

 

Complete
ranges only

With
truncated ranges

 

N

Ave., my

N

Ave., my

Neogene, all species

41

4.8

68

6.5

>13 Ma, all species

17

6.34

38

8.2

<13 Ma, all species

24

3.65

29

4.2

Neogene, Nassellaria

27

4.8

42

5.8

Neogene, Spumellaria

14

4.8

25

7.6

>13 Ma, Nassellaria

12

5.95

22

6.92

<13 Ma, Nassellaria

15

3.79

20

4.55

>13 Ma, Spumellaria

5

7.28

16

9.89

<13 Ma, Spumellaria

9

3.42

9

3.42