Phylum - Arthropoda
Common name: Insects, Crustaceans, Millipedes, Centipedes, Spiders, Scorpions, Springtails, Harvestmen, Horseshoe Crabs
Name derivation: “jointed leg”
- Class: Branchiopoda
- Class: Cephalocarida
- Class: Chilopoda
- Class: Collembola
- Class: Copepoda
- Class: Diplopoda
- Class: Diplura
- Class: Insecta
- Class: Malacostraca
- Class: Maxillopoda
- Class: Merostomata
- Class: Ostracoda
- Class: Pauropoda
- Class: Protura
- Class: Pycnogonida
- Class: Remipedia
- Class: Symphyla
- Class: Tantulocarida
- Class: Trilobita EXTINCT
Number of Orders: 157
Number of Families: 4,306
Number of Genus: 117,496
Number of known Species: 1,201,711
Earliest Fossil Record: Early Cambrian 537 mya
Habitat: Terrestrial, Marine, Freshwater, Parasitic
Size Range: 0.1 mm to 4 m (leg span)
Notes: Based on Catalogue of Life as of July 2024