TABLE 3. Evolutionary change in size of P4, M1 and M2 between Oxyaena woutersi
(Lange-Badré and Godinot 1982), Oxyaena sp., North American Oxyaena and Dipsalidictis species. (L = length; W = width). Measurements for North American Oxyaena and Dipsalidictis species are taken from
Gunnell and Gingerich (1991; figures 9, 10 and 11).
Genus and species
Ln P4 LxW
Ln M1 LxW
Ln M2 LxW
Dipsalidictis krausei (Cf1-Cf3)
D kr
3.85 – 4.25
3.95 – 4.375
4.325 – 4.75
Dipsalidictis aequidens (Cf2-Cf3)
D ae
4.35 – 4.75
4.2 – 4.6
4.55 – 5.0
Dipsalidictis platypus (Cf2-Wa0)
D pl
3.35 – 3.8
3.6 – 4.00
3.9 – 4.3
Dipsalidictis transiens (Wa0-Wa2)
D tr
4.00 – 4.4
4.2 – 4.6
4.4 – 4.875
Oxyaena woutersi (MP7)
O wo
3.87
3.88
4.21
Oxyaena sp. (MP7)
-
-
4.41
Oxyaena gulo (Wa2-Wa3)
O gu
4.4 – 4.85
4.4 – 4.8
4.65 – 5.05
Oxyaena intermedia (Wa4-Wa5)
O in
4.5 – 4.9
4.6 – 5.00
5.0 – 5.4
Oxyaena forcipata (Wa5-Wa6)
O fo
4.9 – 5.3
5.0 – 5.4
5.25 – 5.65
Genus and species |
|
Ln P4 LxW |
Ln M1 LxW |
Ln M2 LxW |
|
Dipsalidictis krausei (Cf1-Cf3) |
D kr |
3.85 – 4.25 |
3.95 – 4.375 |
4.325 – 4.75 |
|
Dipsalidictis aequidens (Cf2-Cf3) |
D ae |
4.35 – 4.75 |
4.2 – 4.6 |
4.55 – 5.0 |
|
Dipsalidictis platypus (Cf2-Wa0) |
D pl |
3.35 – 3.8 |
3.6 – 4.00 |
3.9 – 4.3 |
|
Dipsalidictis transiens (Wa0-Wa2) |
D tr |
4.00 – 4.4 |
4.2 – 4.6 |
4.4 – 4.875 |
|
Oxyaena woutersi (MP7) |
O wo |
3.87 |
3.88 |
4.21 |
|
Oxyaena sp. (MP8+9) |
|
- |
4.41 |
- |
|
Oxyaena gulo (Wa2-Wa3) |
O gu |
4.4 – 4.85 |
4.4 – 4.8 |
4.65 – 5.05 |
|
Oxyaena intermedia (Wa4-Wa5) |
O in |
4.5 – 4.9 |
4.6 – 5.00 |
5.0 – 5.4 |
|
Oxyaena forcipata (Wa5-Wa6) |
O fo |
4.9 – 5.3 |
5.0 – 5.4 |
5.25 – 5.65 |