Table 1 Measurements of depth and width of the area internarica in mm. Ontogenetic stages increase from left to right: Monodelphis domestica (ESUT-Mo), Caluromys philander (ESUT-C), Sminthopsis virginiae (AMNH SR), Macropus eugenii (ESUT-M), Petaurus breviceps (LANE-P)
ESUT--Mo10.5 | ESUT--Mo11.5 | ESUT--Mo8.5 | ESUT--Mo63 | ESUT--C6 | ESUT--C15 | ESUT--C13 | ESUT--C25 | ESUT--C26 | AMNH SR 1A | AMNH SR 2A | AMNH SR 3A | AMNH SR 4A | ESUT--M11 | ESUT--M16 | ESUT--M28 | ESUT--M53 | LANE--P82A | LANE--P48 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Depth | 0.22 | 0.18 | 0.28 | 0.32 | 0.38 | 0.30 | 0.54 | 0.68 | 0.80 | 0.12 | 0.14 | 0.14 | 0.12 | 0.42 | 0.50 | 0.93 | 1.95 | 0.39 | 0.40 |
Width | 0.30 | 0.42 | 0.68 | 1.10 | 0.39 | 0.32 | 0.66 | 1.36 | 2.19 | 0.14 | 0.14 | 0.21 | 0.21 | 0.48 | 0.97 | 1.09 | 1.92 | 0.59 | 0.65 |
Ratio W:D | 1.37 | 2.33 | 2.43 | 3.44 | 1.03 | 1.07 | 1.22 | 2.00 | 2.74 | 1.17 | 1.00 | 1.50 | 1.75 | 1.15 | 1.94 | 1.17 | 0.99 | 1.51 | 1.63 |