Class

• Insecta

  Insects; about five-sixths of all known animal species.

• Crustacea

  Class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles;...

• Chelicerata

  Spiders; scorpions; horseshoe crabs.

• Chilopoda

  Arthropods having the trunk composed of numerous somites each bearing one pair of legs:...

• Onychophora

  Enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in...

• Symphyla

  Small class of minute arthropods; unimportant except for the garden centipede.

• Tardigrada

  In some classifications considered a separate phylum: microscopic arachnid-like invertebrates...

• Diplopoda

  Arthropods having the body composed of numerous double somites each with two pairs of...

• superclass Myriapoda

  Used in some classifications to encompass the millipedes (Diplopoda) and centipedes...

• Pauropoda

  An obscure class of minute arthropods with branched antennae and 8 to 10 pairs of leg...

Arthropod

• insect

  Small air-breathing arthropod.

• arthropod

  Invertebrate having jointed limbs and a segmented body with an exoskeleton made of ch...

Also contains

• Pentastomida

  Tongue worms.