Fishes Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Tetraodontiformes Berg, 1937 - plectognaths 1 Family Triacanthodidae - spikefishes 2 Family Triacanthidae - triplespines 3 Family Balistidae Rafinesque, 1815 - triggerfishes 4 Family Monacanthidae - filefishes 5 Family Ostraciidae Rafinesque, 1815 - boxfishes 6 Family Triodontidae - threetooth puffers 7 Family Tetraodontidae - puffers 8 Family Diodontidae - balloonfishes 9 Family Molidae - molas