"Taxonomy is described sometimes as a science and sometimes as an art, but really it’s a battleground."
- Bill Bryson (A Short History of Nearly Everything)

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Basic Taxonmic Structure
Kingdom
Phylum
Class
Order
Family
Genus
Species


mnemonics:
King Phillip Came Over From Great Spain
King Philip Cuts Open Five Green Snakes
King Philip Came Over For Good Spaghetti
Kids Prefer Cheese Over Fried Green Spinach
King Penguins Come Over For Good Surfing

Phylum Arthropoda
Key Characteristics
Taggmosis - evolved segmentation in functional regions
Jointed appendages
Exoskeloton of Chiton
Ecdysis
Metamorphosis - body transforms from larval to adult stage


Subphylum Chelicerata
Key Characteristics
Two main body regions
No antennae
Six pairs of appendages:
§ 1 pair Chelicerae
§ 1pair pedipalps
§ 4 pairs of legs
(all on cepholothorax)

Includes
Hoseshoe crabs, sea spiders, scorpions, ticks, mites, and spiders
Spiders: Class: Arachnida, Order Aranea



Subphylum Crustacea
Key Characteristics
2 body regions (cephalothorax, abdomen)
2 pair of antenna (1 antenna pair and 1 antennula pair)
Biramous appendages (two branches)
5 or more pairs of legs
1 pair mandibles (lower jaw)
2 pair maxillae (upper jaw)
1st leg is Cheliped (claw)

Includes
Brine shrimp, copepods, crabs, lobsters, isopods, barnacles


Subphylum Uniramia
Includes
Millipedes, centipedes, and insects

Insects: Class Insecta
3 main body regions
3 pairs of legs
1 pair of antenna

Insect Orders
Order Thysanura - Microcoryphia - Bristletails
Order Thysanura - Zygentoma - Silverfish
Order Ephemeroptera - Mayflies
Order Odonata - Dragonflies and Damselflies
Order Plecoptera - Stoneflies
Order Embiidina - Webspinners
Order Phasmida - Walkingsticks
Order Orthoptera - Grasshoppers, Crickets, Katydids
Order Notoptera - Rock Crawlers
Order Dermaptera - Earwigs
Order Mantodea - Mantids
Order Blattodea - Cockroaches and Termites
Order Zoraptera - Zorapterans
Order Psocodea - Barklice, Booklice, and Parasitic Lice
Order Hemiptera - True Bugs, Cicadas, Hoppers, Aphids and Allies
Order Thysanoptera - Thrips
Order Megaloptera - Alderflies, Dobsonflies, and Fishflies
Order Raphidioptera - Snakeflies
Order Neuroptera - Antlions, Lacewings and Allies
Order Coleoptera - Beetles
Order Hymenoptera - Ants, Bees, Wasps and Sawflies
Order Trichoptera - Caddisflies
Order Lepidoptera - Butterflies and Moths
Order Mecoptera - Scorpionflies, Hangingflies and Allies
Order Diptera - Flies
Order Strepsiptera - Twisted-winged Insects
Order Siphonaptera - Fleas
Order Protorthoptera
This group is empty.