TABLE 1. Summary statistics of tooth dimensions of H. niobrarensis from combined Valentine Railway Quarries and Garner Bridge South samples. A, upper teeth; B, lower teeth. Abbreviations: , mean (for samples N=1, refers to single measurement value); SD, standard deviation; N, number of specimens; CV, coefficient of variation; MIN, minimum value; MAX, maximum value.

1A.
 
 

 

Ant I

P2 (alveolus)

P3

P4

M1

M2

 

 

L

W

L

W

L

W

L

W

L

W

L

W

 

 

1.11

1.60

0.70

0.99

1.41

2.94

1.63

3.43

1.42

3.03

1.42

2.72

 

SD

-

-

-

-

0.10

0.61

0.09

0.55

0.07

0.45

0.07

0.2

 

MIN

1.09

1.59

-

-

1.17

2.00

1.33

2.62

1.27

2.23

1.32

2.36

 

MAX

1.13

1.60

-

-

1.55

4.22

1.81

4.78

1.57

3.92

1.53

3.01

 

N

2

2

1

1

17

17

47

46

24

24

8

8

 

CV

-

-

-

-

7.4

20.8

5.4

16.0

4.7

14.9

5.1

7.7

1B.

 

 

i

p3

p4

m1

m2

m3

 

 

L

W

L

W

L

tri W

tal W

L

tri W

tal W

L

tri W

tal W

L

W

 

 

1.44

1.46

1.34

1.48

1.90

2.15

1.52

1.69

2.01

1.37

1.80

1.94

1.42

0.61

1.05

 

SD

-

-

0.14

0.11

0.09

0.132

0.11

0.08

0.13

0.10

0.08

0.12

0.09

-

-

 

MIN

1.38

1.43

1.13

1.32

1.70

1.80

1.25

1.58

1.75

1.17

1.64

1.71

1.20

0.57

0.92

 

MAX

1.49

1.48

1.46

1.59

2.08

2.32

1.83

1.81

2.19

1.59

1.91

2.15

1.59

0.65

1.17

 

N

2

2

4

4

34

34

33

18

18

18

20

20

20

2

2

 

CV

-

-

10.7

7.7

4.8

5.8

7.2

4.7

6.5

7.6

4.6

6.3

6.7

-

-