(4) Teleostei; e.g. the Perch, Cod, Salmon, etc.
(iii.) Dipnoi; e.g. Neoceratodus, Protopterus, and Lepidosiren.
Appendix to the Class Pisces.
(i.) Palaeospondylidae†; e.g. Palaeospondylus.
(ii.) Ostracodermi†.
(1) Heterostraci; e.g. Pteraspis.
(2) Osteostraci; e.g. Cephalaspis.
(3) Anaspida; e.g. Birkenia.
(iii.) Antiarchi†; e.g. Pterichthys.
(iv.) Arthrodira†; e.g. Coccosteus, Dinichthys.