Extended Data Fig. 5: Likelihood ancestral state mapping of endochondral bone on equal weights parsimony results.
From: Endochondral bone in an Early Devonian ‘placoderm’ from Mongolia

a, ARD, all rates different model; b, ER, equal rates model.
From: Endochondral bone in an Early Devonian ‘placoderm’ from Mongolia
a, ARD, all rates different model; b, ER, equal rates model.