Family B

• family babesiidae • family bacillaceae • family bacteroidaceae • family balaenicipitidae • family balaenidae • family balaenopteridae • family balanidae • family balistidae • family balsaminaceae • family bangiaceae • family bathyergidae • family batidaceae • family batrachoididae • family begoniaceae • family belemnitidae • family belonidae • family belostomatidae • family bennettitaceae • family berberidaceae • family betulaceae • family bible • family bignoniaceae • family bittacidae • family blastodiaceae • family blattidae • family blechnaceae • family blenniidae • family boidae • family boletaceae • family bombacaceae • family bombycidae • family bombycillidae • family bombyliidae • family boraginaceae • family bothidae • family bovidae • family bradypodidae • family bramidae • family branchiobdellidae • family branchiostegidae • family branchiostomidae • family brassicaceae • family brevicipitidae • family bromeliaceae • family brotulidae • family bruchidae • family bryaceae • family buccinidae • family bucconidae • family bucerotidae • family bufonidae • family burhinidae • family burmanniaceae • family burseraceae • family business • family buxaceae