Dionycha
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The Dionycha are a clade of spiders (Araneomorphae:Entelegynae), characterized by the possession of two tarsal claws with tufts of hairs (setae) beside them, which produce strong adhesion, enabling some species to climb glass.[1] The circumscription of the group has varied widely; a 2021 analysis resulted in about 20 families, including Salticidae (jumping spiders), Gnaphosidae (ground spiders), and Clubionidae.[2]
The Dionycha are considered to be a subgroup of the larger RTA clade.[1] Most species hunt their prey instead of building webs.
There are no cribellate members in the Dionycha.[3]
Today it is thought that the reduction of the third claw present in ancestral spiders evolved several times independently,Template:Sfnp so this alone is not a criterion that defines the clade.
Families
In 2021, a group of several spider taxonomists published a major study of the phylogeny of Dionycha, using genetic and phenotypic data. It included the families listed below:[2]
- Dionycha
- Prodidomidae
- Dionycha A clade
- Dionycha B clade
Footnotes
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References
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