Four late-surviving placoderms convergent with bony fish: Eurynotus, Bobasatrania, Cheirodus and Platysomus

Updated November 23, 2023with new DGS skull colors. This solves a phylogenetic problem.These four fish were misfits among the bony fish clade (Osteichthys). By relabeling the skull bones according to placoderm homologies (Fig 1) the problem is resolved. In ptyctodontid … Continue reading Four late-surviving placoderms convergent with bony fish: Eurynotus, Bobasatrania, Cheirodus and Platysomus