Tags: Arachnid.

The Dionycha are a phylogenetic group of spiders (Araneomorphae:Entelegynae) with about 10000 species. 17 families belong to this group amongst others: Salticidae (jumping spiders) Gnaphosoidea Thomisidae (crab spiders) and the Clubionidae. Spiders in this group have better senses (sight hearing) than others some even show courtship dances and songs.The Dionycha probably evolved from the web-building Trionycha. Unlike these the Dionycha have only two instead of three tarsal claws.

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