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TABLE 1. Dental measurements (in mm) of Eocoileus gentryorum from the Gray Fossil Site, and a comparative sample of upper dentition of Neogene cervid species. Measurements for Bretzia pseudalces derived from Gustafson (2015) and Capreolus constantini derived from Vislobokova et al. (1995). Complete listing of all measurements is included in Supplemental Table 3.

Taxon Locality / Age Specimen dP3L dP3W dP4L dP4W M1L M1W M2L M2W
Eocoileus gentryorum Gray Fossil Site, TN
Early Pliocene
ETMNH 6166
ETMNH 40000
13.13 9.5 13.31 12.28     17.43 15.48
Eocoileus gentryorum Palmetto Fauna, FL
Early Pliocene
Mean
Min
Max
   
13.59

13.08

12.50
13.73
13.88
14.88

14.78
15.48

16.92
Odocoileus brachyodontus Fox Canyon, KS
Pliocene
UMMP 28140             16.35 18.56
Odocoileus virginianus (multiple subspecies) Various (USA and Mexico) Extant Mean
Min
Max
12.47
10.15
14.66
11.15
9.57
13.44
15.11
11.97
17.65
13.77
10.73
15.31
15.50
12.13
17.78
14.24
12.10
16.26
16.57
13.47
20.28
15.32
10.31
17.95
Odocoileus virginianus Inglis 1A
Early Pleistocene
UF 276885 13.47 12.52 16.16 16.29 17.83 16.31    
Odocoileus hemionus Various Extant Mean
Min
Max

11.24

12.75

16.45

15.84
16.34
14.33
17.49
16.27
15.39
17.38
17.58
15.60
18.94
17.31
15.97
19.09
Odocoileus pandora Extant Yucatan, Mexico USNM 108287         10.42 9.45 10.82 10.73
Bretzia pseudalces Ringold Fauna, WA
Early Pliocene
Mean
Min
Max
        14.8
13
16.2
16.15
15
17
16.72
15.7
17.4
17.25
15.9
17.9
Capreolus capreolus Various
Extant and Holocene
Mean
Min
Max
        11.30
10.94
11.67
12.20
11.25
12.74
11.86
11.54
12.24
12.51
11.70
14.47
Capreolus constantini Udunga, Russia
Late Pliocene
Min
Max
        12.5
13
14.5
16
12.8
14.7
15.5
17.2
Mazama temama Yucatan, Mexico
Extant
Mean
Min
Max

8.24

6.31

9.15

7.46
10.84
9.85
11.77
10.79
9.41
12.01

10.59

11.46
Cervus canadensis Various
Extant
Mean
Min
Max
        25.21
22.54
27.79
26.23
25.25
27.38
28.15
24.12
31.01
25.21
22.43
26.54

 

 

TABLE 2. Postcranial measurements (in mm) of Eocoileus gentryorum from the Gray Fossil Site, and a comparative sample of Neogene cervid species. Measurements for Bretzia pseudalces derived from Gustafson (2015), Capreolus constantini derived from Vislobokova et al. (1995) for Russia and Jiménez-Hidalgo and Bravo-Cuevas (2015) for Mexico. Elements are as follows: Hu = humerus, Ti = Tibia, Ast = Astragalus, Ph = Proximal Phalanx. Complete listing of all measurements is included in Supplemental Table 3.

Taxon Locality / Age Specimen Hu APD Hu MLD HuDi ArtML HuDi ArtAP HuDi ML HuDi AP Ti L Ti APD Ti MLD Ti PrML Ti DiML Ast L Ast W Ph L Ph PrML Ph DiML
Eocoileus gentryorum Gray Fossil Site, TN
Early Pliocene
ETMNH
10559
8030
14923
17218
10546
13918

20.68

15.47

24.95

16.58

30.44

26.78

237.64
252.56

15.98
18.84

17.16
16.9

41.35
44.22

28.2
26.45

34.26

20.45

35.73
36.58

13.08
12.83

10.87
10.59
Eocoileus gentryorum Palmetto Fauna, FL
Early Pliocene
Mean
Min
Max
22.62
18.88
29.73
16.27
15.56
17.88
28.16
24.99
30.39
17.68
16.10
19.63
31.18
27.47
33.99
29.88
27.08
32.21
 
19.97

18.64

42.12
28.03
26.57
30.66
33.51
30.13
35.41
20.25
19.36
21.19

35.18

9.42

7.52
Odocoileus virginianus
(multiple subspecies)
Various (USA and Mexico) Extant Min
Max
21.36
26.50
16.31
22.16
32.32
38.81
19.47
20.58
35.18
36.11
35.49
38.93
  17.81
17.83
20.15
20.93
50.48
53.28
30.77
30.86
28.6
37.75
17.73
23.54
34.40
50.25
14.65
15.57
12.47
13.21
Odocoileus virginianus Various, FL
Early Pleistocene
Min
Max
22.87
26.50
19.95
22.16
33.59
38.81
20.01
25.29
38.09
43.88
35.22
41.76
271.93 22.21 22.01 44.50 33.00 36.87
39.77
22.95
25.88
48.17
48.49
13.74
14.94
11.67
12.35
Odocoileus hemionus Various Extant Min
Max
23.29
27.91
19.21
23.71
36.93
42.16
20.87
24.37
35.03
43.47
35.02
40.89
  18.56
21.97
22.2
27.98
51.65
61.76
34.36
38.70
35.63
42.45
20.63
28.24
44.24
48.66
14.54
16.81
12.61
14.05
Odocoileus brachyodontus Hagerman, ID
Late Pliocene
USNM
299483
418959
 
19.51

37.38

24.79

43.52

43.37
         
54.34

37.77

48.82

14.46

11.75
Bretzia pseudalces Ringold Fauna, WA

Early Pliocene

Mean
Min
Max
  16.5       35.5 291.67
287
299
  23.7
22.1
25.4
50.33
44.7
54.2
34.19
28.6
37.9

44.8

29
     
Capreolus capreolus Extant Min
Max
            236.97
241.77
13.09
13.16
14.24
15.27
39.12
39.86
25.11
25.49
27.82
29.46
18.78
19.56
     
Capreolus constantini Udunga, Russia
Late Pliocene
Min
Max
        31
33.2
31.4         27.5          
Capreolus constantini Hidalgo, Mexico
Late Pliocene
Min
Max
        40.52 38.23
39
275   24.7 59.5       43.12 16.38 13.27