Dysderoidea
Temporal range:
Segestria florentina
(Segestriidae)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Superfamily: Dysderoidea
Families[1]
Diversity
4 or 5 families

The Dysderoidea are a clade or superfamily of araneomorph spiders. The monophyly of the group, initially consisting of the four families Dysderidae, Oonopidae, Orsolobidae and Segestriidae,[2] has consistently been recovered in phylogenetic studies.[1][3] In 2014, a new family, Trogloraptoridae, was created for a recently discovered species Trogloraptor marchingtoni. It was suggested that Trogloraptoridae may be the most basal member of the Dysderoidea clade.[1][4] However, a later study found that Trogloraptoridae was placed outside the Dysderoidea and concluded that it was not part of this clade.[5]

Phylogeny

Dysderoidea are members of the Haplogynae clade: spiders with simpler copulatory organs (palpal bulbs and epigynes) than other araneomorphs. One hypothesis for relationships within the Haplogynae is shown below.[6] The status of the Trogloraptoridae is unclear. The family was not included in one study which otherwise found the same topography,[7] but it was placed outside even the Filistatidae in a 2014 study based on ribosomal DNA.[5]

Haplogynae
?

Trogloraptoridae

Filistatidae

Caponiidae

Tetrablemmidae

Dysderoidea
?

Trogloraptoridae

Segestriidae

Dysderidae

Orsolobidae

Oonopidae

remaining haplogynes

Other studies have suggested that Caponiidae rather than Tetrablemmidae are the sister of Dysderoidea.[8]

References

  1. 1 2 3 Michalik, Peter & Ramírez, Martín J. (2014), "Evolutionary morphology of the male reproductive system, spermatozoa and seminal fluid of spiders (Araneae, Arachnida)–Current knowledge and future directions", Arthropod Structure & Development, 43 (4): 291–322, doi:10.1016/j.asd.2014.05.005, hdl:11336/19081, PMID 24907603
  2. ↑ Forster, R.R. & Platnick, N.I. (1985), "A review of the austral spider family Orsolobidae (Arachnida, Araneae) with notes on the superfamily Dysderoidea", Bulletin of the American Museum of Natural History (181)
  3. ↑ Coddington, Jonathan A. & Levi, Herbert W. (1991), "Systematics and evolution of spiders (Araneae)", Annual Review of Ecology and Systematics, 22: 565–592, doi:10.1146/annurev.es.22.110191.003025, JSTOR 2097274
  4. ↑ Griswold, C.; Audisio, T. & Ledford, J. (2012), "An extraordinary new family of spiders from caves in the Pacific Northwest (Araneae, Trogloraptoridae, new family)", ZooKeys (215): 77–102, doi:10.3897/zookeys.215.3547, PMC 3428790, PMID 22936872
  5. 1 2 de Busschere, Charlotte; Fannes, Wouter; Henrard, Arnaud; Gaublomme, Eva; Jocqué, Rudy & Baert, Léon (2014), "Unravelling the goblin spiders puzzle: rDNA phylogeny of the family Oonopidae (Araneae)", Arthropod Systematics & Phylogeny, 72: 177–192, retrieved 2015-10-30
  6. ↑ Nentwig, Wolfgang, ed. (2013), "Appendix : Spider Phylogeny" (PDF), Spider Ecophysiology, Springer, ISBN 978-3-642-33988-2, retrieved 2015-11-03
  7. ↑ Coddington, Jonathan A. (2005), "Phylogeny and classification of spiders" (PDF), in Ubick, D.; Paquin, P.; Cushing, P.E. & Roth, V. (eds.), Spiders of North America: an identification manual, American Arachnological Society, pp. 18–24, retrieved 2015-09-24
  8. ↑ Ramírez, Martín J. (2000), "Respiratory system morphology and the phylogeny of haplogyne spiders (Araneae, Araneomorphae)", Journal of Arachnology, 28 (2): 149–157, doi:10.1636/0161-8202(2000)028[0149:rsmatp]2.0.co;2, S2CID 39168037
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