Atypoidea

Atypoidea is a clade of mygalomorph spiders, one of the two main groups into which the mygalomorphs are divided (the other being Avicularioidea). It has been treated at the rank of superfamily. It contains five families of spiders:[1][2][3]

Atypoidea
Temporal range: Triassic–present
Sphodros rufipes, Atypidae
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Clade: Atypoidea
Thorell, 1870
Families

See text.

Diversity
5 families

Spiders from atypoid families live in subterranean burrows and use silk to build many different types of burrow entrance constructs, including purse webs, trapdoors, funnel-and-sheet webs, turrets and silken collars.[2]

Phylogeny

The following cladogram illustrates the relationships between atypoid mygalomorph spiders based on the molecular phylogenetic analyses of Hedin et al (2019).[2]

Hypochilidae

Avicularioidea

Atypoidea
Hexurellidae

Hexurella

Mecicobothriidae

Mecicobothrium

Atypidae

Calommata

Atypus

Sphodros

Megahexuridae

Megahexura

Antrodiaetidae

Aliatypus

Hexura

Antrodiaetus

Atypoides

References

  1. Wheeler, Ward C.; Coddington, Jonathan A.; Crowley, Louise M.; Dimitrov, Dimitar; Goloboff, Pablo A.; Griswold, Charles E.; Hormiga, Gustavo; Prendini, Lorenzo; Ramírez, Martín J.; Sierwald, Petra; Almeida-Silva, Lina; Alvarez-Padilla, Fernando; Arnedo, Miquel A.; Benavides Silva, Ligia R.; Benjamin, Suresh P.; Bond, Jason E.; Grismado, Cristian J.; Hasan, Emile; Hedin, Marshal; Izquierdo, Matías A.; Labarque, Facundo M.; Ledford, Joel; Lopardo, Lara; Maddison, Wayne P.; Miller, Jeremy A.; Piacentini, Luis N.; Platnick, Norman I.; Polotow, Daniele; Silva-Dávila, Diana; Scharff, Nikolaj; Szűts, Tamás; Ubick, Darrell; Vink, Cor J.; Wood, Hannah M. & Zhang, Junxia (2016), "The spider tree of life: phylogeny of Araneae based on target-gene analyses from an extensive taxon sampling", Cladistics, 33 (6): 574–616, doi:10.1111/cla.12182
  2. Hedin, M.; Derkarabetian, S.; Alfaro, A.; Ramírez, M. J.; Bond, J. E. (2019). "Phylogenomic analysis and revised classification of atypoid mygalomorph spiders (Araneae, Mygalomorphae), with notes on arachnid ultraconserved element loci". PeerJ. 7: e6864. doi:10.7717/peerj.6864. PMC 6501763. PMID 31110925.
  3. "Family list". World Spider Catalog. Retrieved 18 July 2019.


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