在 26 件标本的 μCT 样本中，Riograndia 保存齿骨—鳞骨接触，而 9 件 Brasilodon 标本没有；这支持该接触的趋同获得，而非单一渐进的祖先到后代颌关节序列。
claim:event:riograndia-brasilodon-jaw-joint-homoplasyBrazilian fossils reveal homoplasy in the oldest mammalian jaw joint
Rawson, H.D.; Martinelli, A.G.; Rayfield, E.J.; et al.
年份2024
来源角色primary-study
DOI / ID10.1038/s41586-024-07971-3
适用范围
拓扑 · 形态 · event-mechanism · methods
The study μCT-scanned 26 cynodont specimens, including nine Brasilodon and four highlighted Riograndia specimens; reusable models and matrices are deposited separately under DOI 10.5523/bris.2ie8neiry701e23iayx9gdsytv.