Bassia, Genus
Bentheuphausia, Genus
Bentheuphausiidae, Familia
Beroe, Genus
Beroida, Ordo
Beroidae, Familia
Bivalvia, Classis
Bodotria, Genus
Bodotriidae, Familia
Bolinopsidae, Familia
Bolinopsis, Genus
Boreomysinae, Subfamilia
Boreomysis, Genus
Boroecia, Genus
Bosmina, Genus
Bosminidae, Familia
Bougainvillia, Genus
Bougainvillidae, Familia
Brachioteuthidae, Familia
Brachioteuthis, Genus
Brachydiastylis, Genus
Brachyura, Infraorder
Branchiopoda, Classis
Branchiostoma, Genus
Branchiostomidae, Familia
Bryozoa, Phylum
Bythocaris, Genus
Bythotiara, Genus