From: Heterochrony and developmental modularity of cranial osteogenesis in lipotyphlan mammals
 |  | Rank range |
---|---|---|
Developmental origin | Neural crest cells | 0.41 |
 | Mesoderm | 0.60 |
Ossification mode | Endochondral | 0.55 |
 | Dermal | 0.38 |
Phenotypic module | Oral | 0.23 |
 | Nasal | 0.31 |
 | Zygomatic | 0.50 |
 | Vault | 0.60 |
 | Basicranial | 0.55 |
Origin + ossification mode | Mesoderm (endochondral) | 0.61 |
 | Mesoderm (dermal) | 0.50 |
 | Neural crest cells (endochondral) | 0.48 |
 | Neural crest cells (dermal) | 0.36 |