Phylum: basic body plan.
Phylum arthropoda: body plan with jointed legs.
Four major subphyla of the phylum arthropoda:
- crustaceans
- spiders
- insects
- millipedes / centipedes
The phylum Arthropoda is commonly divided into four subphyla of extant forms: Chelicerata (arachnids), Crustacea (crustaceans), Hexapoda (insects and springtails), and Myriapoda (millipedes and centipedes).
Horseshoe Crabs and Velvet Worms: The Story of Animals and Plants That Time Has Left Behind, Richard Fortey, c. 2011.
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