Found 18,814 definitions starting with F:

family ancylostomat…family andrenidaefamily anguidaefamily anguillidae
family anhimidaefamily anhingidaefamily anniellidaefamily annonaceae
family anobiidaefamily anomalopidaefamily anomiidaefamily antedonidae
family antennariidaefamily anthocerotac…family antilocaprid…family aphididae
family aphyllanthac…family apiaceaefamily apidaefamily aplodontiidae
family aplysiidaefamily apocynaceaefamily apodidaefamily apogonidae
family apterygidaefamily aquifoliaceaefamily araceaefamily araliaceae
family araucariaceaefamily arcellidaefamily arcidaefamily arctiidae
family ardeidaefamily arecaceaefamily argasidaefamily argentinidae
family argiopidaefamily argonautidaefamily ariidaefamily aristolochia…
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