Actinopterygii
Actinopterygii, members of which are known as ray-finned fishes, is a clade of the bony fishes. They comprise over 50% of living vertebrate species.
- Neopterygii
- Neopterygii is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant fishes, and over half of all living vertebrate species. While living holosteans
- Holostei
- Holostei is a group of ray-finned bony fish. It is divided into two major clades, the Halecomorphi, represented by a single living species, the bowfin, as well as the Ginglymodi, the sole living representatives being the gars (Lepisosteidae), represented
- Luidia
- Luidia is a genus of starfish in the family Luidiidae in which it is the only genus. Species of the family have a cosmopolitan distribution
- Percomorpha
- Percomorpha is a large clade of ray-finned fish that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish
- Sclerodactylidae
- Sclerodactylidae is a family of sea cucumbers, marine invertebrates with elongated bodies, leathery skins and tentacles
- Antedonidae
- Antedonidae is a family of crinoids or feather stars in the phylum Echinodermata. Members of the family are unstalked and have ten feathery arms. They can move about freely and have clawed cirri to attach them temporarily to structures
- Camarodonta
- The Camarodonta are an order of globular sea urchins in the class Echinoidea. The fossil record shows that camarodonts have been in existence since the Lower Cretaceous
- Psolus
- Psolus is a genus of sea cucumbers in the family Psolidae, marine animals with long bodies, leathery skins and tentacles, that inhabit the sea bed
- Ophiactis
- Ophiactis is a genus of brittle stars (Ophiuroidea
- Pimelodella brasiliensis
- Pimelodella brasiliensis is a species of three-barbeled catfish of the family Heptapteridae. It is endemic to the Paraíba do Sul river basin in Brazil, although there are unconfirmed records from elsewhere. This species reaches a total length of 18.0 cm