| Literature DB >> 5436589 |
Abstract
The dentary-squamosal jaw joint evolved more than once in advanced cynodont therapsids or their descendants, probably as a buttress against the reaction force created at the articulation by the adductor jaw musculature. The multiple origin of this joint suggests that additional criteria are required to separate early mammals from advanced therapsids.Entities:
Mesh：
Year: 1970 PMID： 5436589 DOI： 10.1126/science.168.3931.573
Source DB: PubMed Journal: Science ISSN： 0036-8075 Impact factor: 47.728