Found 18,299 definitions starting with F:

family armadillidii…family artamidaefamily ascaphidaefamily ascaridae
family asclepiadace…family asilidaefamily asparagaceaefamily aspergillace…
family asphodelaceaefamily aspleniaceaefamily astacidaefamily asteraceae
family atherinidaefamily athiorhodace…family athyriaceaefamily atrichornith…
family atropidaefamily aulostomidaefamily auriculariac…family avicenniaceae
family azollaceaefamily babesiidaefamily bacillaceaefamily bacteroidace…
family balaenicipit…family balaenidaefamily balaenopteri…family balanidae
family balistidaefamily balsaminaceaefamily bangiaceaefamily bathyergidae
family batidaceaefamily batrachoidid…family begoniaceaefamily belemnitidae
family belonidaefamily belostomatid…family bennettitace…family berberidaceae
family betulaceaefamily biblefamily bignoniaceaefamily bittacidae
family blastodiaceaefamily blattidaefamily blechnaceaefamily blenniidae
family boidaefamily boletaceaefamily bombacaceaefamily bombycidae
family bombycillidaefamily bombyliidaefamily boraginaceaefamily bothidae
family bovidaefamily bradypodidaefamily bramidaefamily branchiobdel…
family branchiosteg…family branchiostom…family brassicaceaefamily brevicipitid…
family bromeliaceaefamily brotulidaefamily bruchidaefamily bryaceae
family buccinidaefamily bucconidaefamily bucerotidaefamily bufonidae
family burhinidaefamily burmanniaceaefamily burseraceaefamily business
family buxaceaefamily cactaceaefamily caeciliadaefamily caeciliidae
family caenolestidaefamily caesalpiniac…family callionymidaefamily calliphoridae
family callithricid…family callitrichac…family calostomatac…family calycanthace…
family camelidaefamily campanulaceaefamily cancridaefamily canellaceae
family canidaefamily cannabidaceaefamily cannaceaefamily capitonidae
family capparidaceaefamily caprifoliace…family caprimulgidaefamily caproidae
family capromyidaefamily capsidaefamily carabidaefamily carangidae
family carapidaefamily carcharhinid…family carchariidaefamily cardiidae
family cariamidaefamily caricaceaefamily carpinaceaefamily caryocaraceae
family caryophyllac…family castoridaefamily casuaridaefamily casuarinaceae
family cathartidaefamily catostomidaefamily caviidaefamily cebidae