Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Syngnathiformes Berg, 1940 see Suborder Syngnathoidei Family Aulostomidae Rafinesque, 1815 - trumpetfishes Family Centriscidae Rafinesque, 1826 Family Fistulariidae - cornetfishes Family †Fistularioididae Family †Paraeoliscidae Family †Parasynarcualidae Family Solenostomidae - ghost pipefishes Family Syngnathidae Günther, 1870 - pipefishes and seahorses