TABLE 12. Measurements of some characters of Nevadomys from the Panaca local fauna. N=number of teeth with the character, ( ) =sample size, %=percentage of teeth with the character in the sample; M=mean of the measurement (in mm). N. fejfariLoc. 9504 N. cf. N. fejfariLoc. 9620 N. downsiLoc. 9621 N. lindsayi| Loc. 9616 N % or M N % or M N % or M N % or M Enamel islet on AC of young-moderately worn m1s 3(8) 38% 1(4) 25% 2(7) 29% 3(10) 30% Young-worn m1s without Mimomys kante on AC 4(13) 31% 9(14) 64% 12(12) 100% 13(13) 100% M2s with 2 roots 0(11) 0% 0(9) 0% 0(17) 0% 0(12) 0% M3s with 2 roots 16(17) 94% 17(17) 100% 14(16) 88% 2(16) 13% M3s with anterior islet 6(20) 30% 3(16) 19% 1(19) 5% 1(17) 6% M3s with posterior islet 20(20) 100% 14(16) 88% 15(19) 79% 17(17) 100% Dentine tracts on the labial side of AC 6 0.63 10 0.53 4 0.84 7 0.77 Width of lower incisor 6 1.39 0 -- 1 1.40 0 -- Diastema between I and m1 10 4.92 0 -- 0 -- 0 -- Mandibular depth below m1 11 6.05 0 -- 0 -- 0 -- Alveolar length of m1-m3 12 7.56 0 -- 0 -- 2 8.40 Palate width 4 3.03 0 -- 0 -- 0 Alveolar length of M1-M3 3 7.28 0 -- 0 --
N. fejfariLoc. 9504
N. cf. N. fejfariLoc. 9620
N. downsiLoc. 9621
N. lindsayi| Loc. 9616
N
% or M
Enamel islet on AC of young-moderately worn m1s
3(8)
38%
1(4)
25%
2(7)
29%
3(10)
30%
Young-worn m1s without Mimomys kante on AC
4(13)
31%
9(14)
64%
12(12)
100%
13(13)
M2s with 2 roots
0(11)
0%
0(9)
0(17)
0(12)
M3s with 2 roots
16(17)
94%
17(17)
14(16)
88%
2(16)
13%
M3s with anterior islet
6(20)
3(16)
19%
1(19)
5%
1(17)
6%
M3s with posterior islet
20(20)
15(19)
79%
Dentine tracts on the labial side of AC
6
0.63
10
0.53
4
0.84
7
0.77
Width of lower incisor
1.39
0
--
1
1.40
Diastema between I and m1
4.92
Mandibular depth below m1
11
6.05
Alveolar length of m1-m3
12
7.56
2
8.40
Palate width
3.03
Alveolar length of M1-M3
3
7.28