Opiliones (Laitin opilio, "shepherd"; umwhile Phalangida) are an order o arachnids commonly kent as harvestmen. As o December 2011, ower 6,500 species o harvestmen hae been discovered worldwide,[1] altho the tot nummer o extant species mey exceed 10,000.[2]

Opiliones
Temporal range: 410–0 Ma
Early DevonianHolocene
Hadrobunus grandis shawin its bouk structur an lang legs: ane pair o een an braidly jynt body tagma differentiate it frae seemilar-leukin arachnids
Scientific classification e
Kinrick: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Cless: Arachnida
Order: Opiliones
Sundevall, 1833
Suborders
Diversity
5 suborders, > 6,650 species

References

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  1. Adriano B. Kury (2011). Z.-Q. Zhang (ed.). "Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness" (PDF). Zootaxa. 4138: 112–114. |chapter= ignored (help)
  2. Glauco Machado, Ricardo Pinto-da-Rocha & Gonzalo Giribet (2007). "What are harvestmen?". In Ricardo Pinto-da-Rocha, Glauco Machado & Gonzalo Giribet (ed.). Harvestmen: the Biology of Opiliones. Harvard University Press. pp. 1–13. ISBN 0-674-02343-9.