Abudefduf, Genus
Acanthochaenus, Genus
Acanthocybium, Genus
Acantholabrus, Genus
Acanthostracion, Genus
Acanthuriadae, Familia
Acanthuridae, Familia
Acanthuroidei, Subordo
Acanthurus, Genus
Acipenser, Genus
Acipenseridae, Familia
Acipenseriformes, Ordo
Agnatha, Superclass
Agonidae, Familia
Agonus, Genus
Ahliesaurus, Genus
Aidablennius, Genus
Aigles de mer [France and Belgium], Familia
– synonym of Myliobatidae, Familia
Aldrovandia, Genus
Alectis, Genus
Alepes, Genus
Alepisaruidae, Subordo
Alepisauridae, Subordo
Alepisauridae, Familia
Alepisauroidei, Familia
Alepisauroidei, Subordo
Alepisaurus, Genus
Alepocephalidae, Familia
Alepocephalus, Genus
Allocyttus, Genus
Alopias, Genus
Alopiidae, Familia
Alosa, Genus
Ammodytes, Genus
Ammodytidae, Familia
Anarchias, Genus
Anarhichadidae, Familia
Anarhichas, Genus
Anchovies [UK and USA], Familia
– synonym of Engraulidae, Familia
Angel sharks [UK and USA], Familia
– synonym of Squatinidae, Familia
Anges de mer [France and Belgium], Familia
– synonym of Squatinidae, Familia
Anglerfish [UK and USA], Familia
– synonym of Lophiidae, Familia
Anguilla, Genus
Anguilles becasses [France and Belgium], Familia
– synonym of Nemichthyidae, Familia
Anguilles [France and Belgium], Familia
– synonym of Anguillidae, Familia
Anguillidae, Familia
Anguilliformes, Ordo
Animalia, Regnum
Anisarchus, Genus
Anoplogaster, Genus
Anoplogasteridae, Familia
Anotopteridae, Familia
Anotopterus, Genus
Antennariidae, Familia
Antennarioidei, Subordo
Antennarius, Genus
Antherinidae, Familia
Antheriniformes, Ordo
Anthias, Genus
Antigonia, Genus
Antimora, Genus
Antonogadus, Genus
Aphanius, Genus
Aphanopus, Genus
Aphia, Genus
Aphyonidae, Familia
Aphyonus, Genus
Apletodon, Genus
Apogon, Genus
Apogonidae, Familia
Apristurus, Genus
Apterichthus, Genus
Arctogadus, Genus
Argentina, Genus
Argentines [France and Belgium], Familia
– synonym of Argentinidae, Familia
Argentines [UK and USA], Familia
– synonym of Argentinidae, Familia
Argentinidae, Familia
Argyripnus, Genus
Argyropelecus, Genus
Argyrosomus, Genus
Ariosoma, Genus
Aristostomias, Genus
Armoured searobins [UK and USA], Familia
– synonym of Peristediidae, Familia
Arnoglossus, Genus
Arrowtooth eels, Familia
– synonym of Synaphobranchidae, Familia
Artediellus, Genus
Aspitrigla, Genus
Asquamiceps, Genus
Astronesthes, Genus
Astronesthidae, Familia
Ataxolepis, Genus
ATAXOLEPIS Myers and Freihoffer, 1966
– synonym of Ataxolepis, Genus
Ateleopodidae, Familia
Atherina, Genus
Atherinomorus, Genus
Atypic; type: Raja torpedo Linnaeus, by absolute tautonymy; generally accepted.
– synonym of Torpedo, Genus
Atypic; type: Raja uarnak Forsskal, by subs. design. of Garman, 1913: 375.
– synonym of Himantura, Genus
Atypic; type: Squalus squatina Linnaeus, by absolute tautonymy.
– synonym of Squatina, Genus
Aulopidae, Familia
Aulopus, Genus
Auxis, Genus
Avocettina, Genus