Arthropoda
Butterflies
Lepidoptera -- Butterflies
 Beetles
Coleoptera -- Beetles
 Flies
Diptera -- Flies
 Ants
Formicidae -- Ants
 All Insects
All Insects
Spiders
Araneae -- Spiders
 Ticks
Ixodid -- Ticks
 Scorpions
Scorpions
 Daddy long-legs
Opiliones -- Daddy long-legs
 All Arachnids
All Arachnids
Crustaceans
Crustaceans
 Sea spiders
Pycnogonida -- Sea spiders
 Centipedes
Chilopoda -- Centipedes
 Millipedes
Diplopoda -- Millipedes
 Insect-like
Isopods -- Insect-like

Click above for photographs, maps, identification guides, and facts about each group.

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