Class Actinopterygii Woodward, 1891 - ray-finned fishes Subclass Neopterygii Regan, 1923 1 [Order] †Pachycormiformes Berg, 1940 2 [Order] †Aspidorhynchiformes Bleeker, 1859 3 Infraclass Holostei Müller, 1846 4.1 [plesion] [Order] †Pycnodontiformes Berg, 1937 4.2 Infraclass Teleostei Müller, 1845