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The Araneomorphae (also called the Labidognatha or "true spiders" [1]) are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (tarantulas and their close kin), where they point straight down.
Araneoidea is a taxon of araneomorph spiders, termed "araneoids", treated as a superfamily.As with many such groups, its circumscription has varied; in particular some families that had at one time been moved to the Palpimanoidea have more recently been restored to Araneoidea.
Spitting spiders are a family of araneomorph spiders, the family Scytodidae, first described by John Blackwall in 1864. [2] It contains over 250 species in five genera , [ 1 ] of which Scytodes is the best-known.
All other spiders have the spinnerets further towards the posterior end of the body where they form a small cluster, and the anterior central spinnerets on the tenth segment are lost or reduced (suborder Mygalomorphae), or modified into a specialised and flattened plate called the cribellum (suborder Araneomorphae).
Members of the infraorder Araneomorphae belong to the order Araneae (Spiders). Subcategories. This category has the following 103 subcategories, out of 103 total ...
At the very top level, there is broad agreement on the phylogeny and hence classification of spiders, which is summarized in the cladogram below. The three main clades into which spiders are divided are shown in bold; as of 2015, they are usually treated as one suborder, Mesothelae, and two infraorders, Mygalomorphae and Araneomorphae, grouped into the suborder Opisthothelae.
The RTA clade is a clade of araneomorph spiders, united by the possession of a retrolateral tibial apophysis – a backward-facing projection on the tibia of the male pedipalp. [1] The clade contains over 21,000 species, almost half the current total of about 46,000 known species of spider. [ 2 ]
Selenopidae, also called wall crab spiders, wall spiders [1] and flatties, [2] is a family of nocturnal, free-ranging, araneomorph spiders first described by Eugène Simon in 1897. [ 3 ] [ 4 ] It contains over 281 species in nine genera, of which Selenops is the most well-known.