Dodatak:Popis žarnjaka, B
Ba uredi
- Balanophyllia
- Balella
- Balellidae
- Barabattoia
- Barcinididae
- Barcino
- Bargmannia
- Barnettia
- Bartholomea
- Bassia
- Bathelia
- Bathyalcyon
- Bathycyathus
- Bathydactylus
- Bathykorus
- Bathypathes
- Bathyphellia
- Bathyphellidae
- Bathyphysa
- Bathypsammia
- Bathytelesto
- Bayergorgia
- Bayerxenia
Be uredi
- Bebryce
- Bedotella
- Bellactis
- Bellonella
- Benthocodon
Bi uredi
- Bibrachium
- Bicorona
†Bilaterocoenia Morycowa 1974 uredi
- †Bilaterocoenia amica Eliasova 1981
- †Bilaterocoenia gladiola Eliasova 1981
- †Bilaterocoenia hexaseptata Morycowa 1974
- †Bilaterocoenia pugiuncula Eliasova 1981
- †Bilaterocoenia silesia Eliasova 1981
Cnidaria → Anthozoa → Scleractinia → Stylinina → Stylinidae
- Billardia
- Bimeria
Bl uredi
- Blackfordia
- Blackfordiidae
- Blastomussa
- Blastotrochus
Bo uredi
- Boeromedusa
- Boeromedusidae
- Boloceractis
- Boloceroides
- Boloceroididae
- Boloceropsis
- Boninastrea
- Bonneviella
- Bonneviellidae
- Boreohydra
- Boreohydridae
- Botruanthus
- Botrucnidiata
- Botrucnidifer
- Botrucnidiferidae
- Botrynema
- Botryon
- Bougainvillia
- Bougainvilliidae
- Bouillonactinia
- Bouillonia
- Bourneotrochus
Br uredi
Podred Brachycnemina Haddon & Shackleton, 1891 uredi
- Porodica Neozoanthidae Herberts, 1972
- Porodica Sphenopidae Hertwig, 1882
- Porodica Zoanthidae Rafinesque, 1815
Cnidaria → Anthozoa → Hexacorallia → Zoantharia
- Branchiocerianthus
- Briareidae
- Briareopsis
- Briareum
- Brinckmannia
Bu uredi
- Bunodeopsis
- Bunodosoma
- Bursanthus
By uredi
- Bythocellata
- Bythotiara
- Bythotiaridae