Found 18,719 definitions starting with F:

family anhingidaefamily anniellidaefamily annonaceaefamily anobiidae
family anomalopidaefamily anomiidaefamily antedonidaefamily antennariidae
family anthocerotac…family antilocaprid…family aphididaefamily aphyllanthac…
family apiaceaefamily apidaefamily aplodontiidaefamily aplysiidae
family apocynaceaefamily apodidaefamily apogonidaefamily apterygidae
family aquifoliaceaefamily araceaefamily araliaceaefamily araucariaceae
family arcellidaefamily arcidaefamily arctiidaefamily ardeidae
family arecaceaefamily argasidaefamily argentinidaefamily argiopidae
family argonautidaefamily ariidaefamily aristolochia…family armadillidii…
family artamidaefamily ascaphidaefamily ascaridaefamily asclepiadace…
family asilidaefamily asparagaceaefamily aspergillace…family asphodelaceae
family aspleniaceaefamily astacidaefamily asteraceaefamily atherinidae
family athiorhodace…family athyriaceaefamily atrichornith…family atropidae
family aulostomidaefamily auriculariac…family avicenniaceaefamily azollaceae
family babesiidaefamily bacillaceaefamily bacteroidace…family balaenicipit…
family balaenidaefamily balaenopteri…family balanidaefamily balistidae
family balsaminaceaefamily bangiaceaefamily bathyergidaefamily batidaceae
family batrachoidid…family begoniaceaefamily belemnitidaefamily belonidae
family belostomatid…family bennettitace…family berberidaceaefamily betulaceae
family biblefamily bignoniaceaefamily bittacidaefamily blastodiaceae
family blattidaefamily blechnaceaefamily blenniidaefamily boidae
family boletaceaefamily bombacaceaefamily bombycidaefamily bombycillidae
family bombyliidaefamily boraginaceaefamily bothidaefamily bovidae
family bradypodidaefamily bramidaefamily branchiobdel…family branchiosteg…
family branchiostom…family brassicaceaefamily brevicipitid…family bromeliaceae
family brotulidaefamily bruchidaefamily bryaceaefamily buccinidae
family bucconidaefamily bucerotidaefamily bufonidaefamily burhinidae
family burmanniaceaefamily burseraceaefamily businessfamily buxaceae
family cactaceaefamily caeciliadaefamily caeciliidaefamily caenolestidae
family caesalpiniac…family callionymidaefamily calliphoridaefamily callithricid…