Measurement
|
N. micrus (C145)
|
N. major (C181)
|
N. major (C133)
|
N. micrus (C436)
|
|
Natural Endocasts Digital Endocasts
|
Cranium length (mm) from specimen
|
> 27.5
|
> 31.0
|
32.1
|
28
|
Cranium length min. (mm)¹
|
26.9
|
30.3
|
30.3
|
26.9
|
Cranium length max. (mm)¹
|
29.1
|
32.5
|
32.5
|
29.1
|
Estimated body mass (g)*
|
97.37
|
110.2
|
114.3
|
99.21
|
Estimated body length (mm)
|
≈ 110-135
|
≈ 120-140
|
≈120-140
|
≈ 110-135
|
y=Log10 value* (Body mass units)
|
1.99
|
2.04
|
2.05
|
2
|
x=Log10 value* (Cranial length)
|
1.44
|
1.49
|
1.51
|
1.45
|
Estimated endocast volume (ml)
|
> 0.76
|
1.09
|
0.888
|
1.231
|
Calculated endocast volume (ml) (from formula)
|
0.844
|
0.997
|
1.043
|
0.856
|
Endocast total length (mm)
|
> 14.48
|
> 15.18
|
15.2
|
14
|
Endocast total width (mm)
|
9.86
|
9.65
|
9.4
|
9.7
|
Olfactory bulb length (mm)
|
3.65 - 3.69
|
R 3.60
|
L 3.0 - R 3.1
|
incomplete
|
Olfactory bulb width (mm)
|
7 (both)
|
R 3.86
|
6.4 (both)
|
incomplete
|
Cerebellum length (mm)
|
5.97
|
4.58 - 5.22
|
6.2
|
5.9
|
Cerebellum width (mm)
|
7.45 - 8.4
|
7.32
|
7.7
|
7.4
|
Brain-Cranium length ratio
|
52.6
|
49
|
47.3
|
50
|
Encephalization Quotient (EQ)²
|
0.33
|
0.35
|
0.36
|
0.33
|
Encephalization Quotient (EQ)³
|
0.52
|
0.56
|
0.57
|
0.52
|