Table 1. Sequences of appearance/development of p3-m2 of lobe connections, and of appearance/disappearance of flexids/fossettes in the studied specimens.
|
"Amphilagus" antiquus |
Piezodus branssatensis |
Desmatolagus cf. youngi |
Palaeolagus sp. |
||
|
p3 |
development posterior flexids/fossettes |
deep hypoflexid --> hypoflexid+mesofossettid --> shallowing of hypoflexid + disappearance of mesoflexid |
hypoflexid + mesoflexid --> hypoflexid + mesofossettid--> shallowing of hypoflexid + disappearance of mesoflexid |
shallowing of hypoflexid |
hypoflexid + mesoflexid --> hypoflexid + mesofossettid --> hypoflexid alone |
|
p4-m2 |
trigonid-talonid connection |
m2-m1-p4 |
m2-m1-p4 |
m2-m1-p4 |
m1-m2-p4 |
|
hypoconulid --> fossette |
m1-m2-p4 |
m1-p4-m2 |
- |
- |
|
|
fossette disappearance |
m1-m2-p4 |
m1-m2-p4 |
- |
- |
