Dichotomous Key/Arthropoda

Dichotomous Key: Arthropoda Kingdom: Animalia Phylum: Arthropoda Information related to Arthropoda Wikipedia Wikispecies Wikicommons Examples of Arthropods

Glossary for this page (all links are to Wikipedia articles) Example 1: definition here Example 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