Scytodoidea

Scytodoidea; Temporal range: Cretaceous–present PreꞒ Ꞓ O S D C P T J K Pg N
	Scytodes thoracica, Scytodidae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Superfamily:	Scytodoidea; Blackwall, 1864[1]
Families
	See text.

Scytodoidea is a taxon of araneomorph spiders, at the rank of superfamily. It contains four families:[1]

Phylogeny

The monophyly of the group has been confirmed in morphological studies. One hypothesis for the relationships of the four families is shown in the following cladogram:[2]

Scytodoidea

Sicariidae

Scytodidae

	Periegopidae

	Drymusidae

Earlier studies agree in placing the Sicariidae as the most basal family, but reverse the positions of Drymusidae and Scytodidae. Scytodoidea is placed within the haplogyne clade of araneomorph spiders, as one of the more derived clades.[3]

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References

Dunlop, Jason A. & Penney, David (2011), "Order Araneae Clerck, 1757" (PDF), in Zhang, Z.-Q. (ed.), Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness, Zootaxa, Auckland, New Zealand: Magnolia Press, ISBN 978-1-86977-850-7, retrieved 2015-10-31
Labarque, Facundo M. & Ramirez, Martin J. (2012), "The placement of the spider genus Periegops and the phylogeny of Scytodoidea (Araneae: Araneomorphae)" (PDF), Zootaxa, 3312: 1–44, retrieved 2015-10-30
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 2015-09-24CS1 maint: ref=harv (link)

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[DunlPenn11-1] Dunlop, Jason A. & Penney, David (2011), "Order Araneae Clerck, 1757" (PDF), in Zhang, Z.-Q. (ed.), Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness, Zootaxa, Auckland, New Zealand: Magnolia Press, ISBN 978-1-86977-850-7, retrieved 2015-10-31

[LabaRami12-2] Labarque, Facundo M. & Ramirez, Martin J. (2012), "The placement of the spider genus Periegops and the phylogeny of Scytodoidea (Araneae: Araneomorphae)" (PDF), Zootaxa, 3312: 1–44, retrieved 2015-10-30

[Codd05-3] 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 2015-09-24CS1 maint: ref=harv (link)