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Avicularioidea
Clade of spiders From Wikipedia, the free encyclopedia
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Avicularioidea is a clade of mygalomorph spiders, one of the two main clades into which mygalomorphs are divided (the other being the Atypoidea). It has been treated at the rank of superfamily.
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Taxonomy
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The division of the Mygalomorphae into two clades, Atypoidea and Avicularioidea, has been established in many studies.[1][2][3][4] Avicularioidea has been treated as a superfamily (at one time including all mygalomorph spiders),[5] although other authors have placed superfamilies, such as Theraphosoidea, within Avicularioidea.[1] The name is based on the family name "Aviculariidae", a junior synonym of Theraphosidae,[6] ultimately deriving from the genus Avicularia.
The Atypoidea retain some vestiges of abdominal segmentation in the form of dorsal tergites; the Avicularioidea lack these. Relationships within the Avicularioidea are not settled as of September 2018[update]. Some established families have been shown not to be monophyletic. In 2018, the family Hexathelidae was split up, and three new families created within the Avicularioidea: Atracidae, Macrothelidae, and Porrhothelidae.[3] Further changes are possible in the future.[2]
Families
The families included in the Avicularoidea as of January 2024[update] are:[2][3][4]
- Actinopodidae
- Anamidae[7]
- Atracidae – Australian funnel-web spiders
- Barychelidae – brushed trapdoor spiders
- Bemmeridae[7]
- Ctenizidae
- Cyrtaucheniidae – wafer trapdoor spiders
- Dipluridae – curtain-web spiders
- Entypesidae[7]
- Euagridae[7]
- Euctenizidae
- Halonoproctidae
- Hexathelidae
- Idiopidae – armoured trapdoor spiders
- Ischnothelidae[7]
- Macrothelidae
- Microhexuridae[7]
- Microstigmatidae
- Migidae – tree trapdoor spiders
- Nemesiidae
- Paratropididae – baldlegged spiders
- Porrhothelidae
- Pycnothelidae[7]
- Stasimopidae[7]
- Theraphosidae – tarantulas
Also included is the extinct family Fossilcalcaridae (Cretaceous)[8] and the incertae sedis genera Cretamygale (Cretaceous) and Rosamygale (Triassic).
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References
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