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Dichotomous Key/Arthropoda
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Dichotomous Key: ArthropodaKingdom: AnimaliaPhylum: ArthropodaInformation related to ArthropodaWikipediaWikispeciesWikicommons
thumb|left|Examples of ArthropodsGlossary for this page (all links are to Wikipedia articles)Example 1: definition hereExample 2: definition here
Key to the Classes of Arthropoda
1: Two pairs of antennae
2: One pair of antennae or no antennae present.
1
incomplete
Branchiopoda
Remipedia
Cephalocarida
Maxillopoda
Ostracoda
Malacostraca
2
Insecta: Three pairs of legs present.
4: Four or more pairs of legs present.
4
5: Antennae present.
6: Antennae absent.
5
incomplete
Chilopoda
Diplopoda
Pauropoda
Symphyla
6
incomplete
Crustacea
Branchiopoda
Remipedia
Cephalocarida
Maxillopoda
Ostracoda
Malacostraca
Chelicerata
Arachnida
Merostomata
Pycnogonida
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