animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals

family Phalangiidae, Phalangiidae - a family of Phalangida

Argiopidae, family Argiopidae - orb-weaving spiders; cosmopolitan in distribution

family Theridiidae, Theridiidae - a family of comb-footed spiders

family Theraphosidae, Theraphosidae - large tropical spiders; tarantulas

family Lycosidae, Lycosidae - wolf spiders

Ctenizidae, family Ctenizidae - large burrowing spiders

family Ixodidae, Ixodidae - hard ticks

Argasidae, family Argasidae - soft ticks

Acaridae, family Acaridae - mites

family Trombidiidae, Trombidiidae - mites

family Trombiculidae, Trombiculidae - mites

family Sarcoptidae, Sarcoptidae - small whitish mites

family Tetranychidae, Tetranychidae - plant-feeding mites

family Scutigeridae, Scutigeridae - a family of Chilopoda

family Geophilidae, Geophilidae - small extremely elongate earth-living centipedes

family Limulidae, Limulidae - horseshoe crabs

Cancridae, family Cancridae - many of the best known edible crabs

family Portunidae, Portunidae - swimming crabs

family Pinnotheridae, Pinnotheridae - tiny soft-bodied crabs

family Lithodidae, Lithodidae - deep-sea crabs of cold waters

family Majidae, Majidae - spider crabs

family Homaridae, Homaridae - large-clawed lobsters

family Nephropsidae, Nephropsidae - in some classifications coextensive with the Homaridae

family Palinuridae, Palinuridae - spiny lobsters

Astacidae, Astacura, family Astacidae - crayfish

family Paguridae, Paguridae - hermit crabs

Crangonidae, family Crangonidae - shrimps

family Palaemonidae, Palaemonidae - prawns

family Peneidae, Peneidae - tropical prawns

family Mysidae, Mysidae - small shrimp-like crustaceans

family Squillidae, Squillidae - crustaceans that burrow in mud or under stones in shallow water along the seashore

Armadillidiidae, family Armadillidiidae - pill bugs

family Oniscidae, Oniscidae - a family of Isopoda

family Porcellionidae, Porcellionidae - sow bugs

family Orchestiidae, Orchestiidae - beach fleas

family Triopidae, Triopidae - a family of Notostraca

Balanidae, family Balanidae - stalkless barnacles

family Lepadidae, Lepadidae - goose barnacles

family Peripatidae, Peripatidae - a family of Onychophora

family Peripatopsidae, Peripatopsidae - a family of Onychophora

Cicindelidae, family Cicindelidae - tiger beetles

Coccinellidae, family Coccinellidae - the ladybugs

Carabidae, family Carabidae - ground beetles

family Lampyridae, Lampyridae - fireflies