Placoderm
= Placoderm
An armoured jawed <fish> in a traditional Palaeozoic assemblage. Whether the assemblage is <monophyletic> or a succession of branches affects <ancestral state reconstruction>.
= Placoderm
An armoured jawed <fish> in a traditional Palaeozoic assemblage. Whether the assemblage is <monophyletic> or a succession of branches affects <ancestral state reconstruction>.