Palaeos		Arthropoda
Metazoa		Contents

Arthropoda

ECDYSOZOA 
|==Dinocaridida
|
`--ARTHROPODA
   |--Fuxianhuiida
   `--+--Candaspidida
      `--+--Marellomorpha
         |--Megacheira
         `--+-Chelicerata
            `--+--Trilobita
               `--Mandibulata
                  |--Myriapoda
                  `--+--Crustacea
                     `--Hexapoda

Arthropoda collage. From left to right and from top to bottom: Kolihapeltis (trilobite), Stylonurus (eurypteryid), Scorpion, Crab, Centipede, Butterfly Wikipedia, Creative Commons Attribution Share Alike

Arthropoda

These pages arel under construction and revision. Note that most of the links here will only work when the other pages are uploaded. MAK120515

Contents

Fuxianhuiida - very primitive/basal early Cambrian arthropods
Candaspidida - very primitive, Cambrian, carapaced arthropods, superficially resembling crustaceans
Megacheira - "great appendage" arthropods with large spiny foreleg in p;lace of antennae
Chelicerata - assorted basal chelicerates here, also Pycnogonids (sea spiders)
Xiphosura - horseshoe crabs and their Paleozoic ancestors
Eurypterida - sea scorpions
Arachnida - spiders, mites, and scorpions
Marellomorpha - very primitive trilobite-like arthropods
Trilobitomorpha - assorted and miscellaneous trilobite-like forms, often included under the paraphyletic taxon "Arcahnomorpha"
Trilobita - the trilobites, armoured forms with three-lobed bodies and primitive limbs, abundant during but limited entirely to the Palaeozoic era
Mandibulata - arthropods with jaws
Myriapoda - the many legged - millipedes, centep[es, and their relatives
Crustacea - the Crustaceans, an extremely important and diverse group regarding which we will hopefully get aroudn some day to a more complete treatment
Hexapoda - six legged arthropods
Insecta - the insects, the most important clade of hexapods. This unit includes primitive wingless forms and the Palaeoptera (dragonflies, mayflies, and their Paleozoic relatives)
Neoptera - insects that can fold their wings, grasshoppers, cockroaches, true bugs, and many more
Holometabola - insects that undergo a larval, pupal, and adult life-cycle - beetles, flies, butterflies and moths, ants, bees and wasps