Galathea, Genus
Galatheascus, Genus
Galatheidae, Familia
Gammarella, Genus
Gammarellidae, Familia
Gammarellus, Genus
Gammaridae, Familia
Gammaridea, Subordo
Gammaropsis, Genus
Gammarus, Genus
Gastrosaccus, Genus
Geryon, Genus
Geryonidae, Familia
Gitana, Genus
Gitanopsis, Genus
Gnathia, Genus
Gnathiidae, Familia
Gnathiidea, Subordo
Goneplacidae, Familia
Goneplax, Genus
Grapsidae, Familia
Guernea, Genus
Gyge, Genus