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Lomanius sp.jpg
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Opiliones
Suborder: Laniatores
Infraorder: Grassatores
Kury, 2002

See text for list.

The Grassatores are the most diverse infraorder of the Laniatores. It includes over 3,500 species distributed mainly in the tropics[1] They are characterized by the male genitalia without musculature, operated by hydraulic pressure and by the double tarsal claws of posterior legs.



  1. ^ Kury, A.B.(2003). Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones). Revista Ibérica de Aracnología, vol. especial monográfico 1: 1-337.

External links[edit]

  • Classification of Opiliones A synoptic taxonomic arrangement of the order Opiliones, down to family-group level, including some photos of the families