| Hairy Ground Springtail (Orchesella flavescens) [Public Domain]
Chapter Outline- Description of Arthropoda
- Classification of Arthropoda
- Chelicerata
- Mandibulata
- Pancrustacea
- Hexapoda
Links to external sites will appear in pop-up windows. | | | The subphylum Hexapoda contains three classes and an order: Diplura, Protura, Collembola and Insecta. The first three groups will be explored on this page, while Insecta gets it's own chapter (next).- ORDER DIPLURA - two-pronged bristletails
- CLASS PROTURA - coneheads
- CLASS COLLEMBOLA - springtails
- Springtail (Orchesella cincta) - most iNat observations in the US for Collembola. Introduced. - 5 (Puget Sound area), 10 (Washington, DC and NYC)
- Springtail (Entomobrya atrocincta) - 7 (Monterey Bay)
- Seashore Springtail (Anurida maritima) - 3 (Acadia), 7 (Monterey Bay)
- CLASS INSECTA (next chapter)
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