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Anapidae is a family of rather small spiders with 233 described extant species in 59 genera. [1] It includes the former family Micropholcommatidae as the subfamily Micropholcommatinae, [2] and the former family Holarchaeidae. Most species are less than 2 millimetres (0.079 in) long. [3]
The family Dipluridae, known as curtain-web spiders (or confusingly as funnel-web tarantulas, a name shared with other distantly related families [2]) are a group of spiders in the infraorder Mygalomorphae, that have two pairs of booklungs, and chelicerae (fangs) that move up and down in a stabbing motion.
Leptonetidae is a family of small spiders adapted to live in dark and moist places such as caves. [1] The family is relatively primitive having diverged around the Middle Jurassic period. [ 2 ] They were first described by Eugène Simon in 1890.
Prodidomidae is a family of spider, sometimes called long-spinneret ground spiders. It was formerly regarded as a subfamily of Gnaphosidae, but was raised to a family in 2022. [1] Spiders in the family are easily identified by the greatly elongated base of the piriform gland spigots. At least parts of their body are covered with shiny scales or ...
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 .
Heptathelidae is a family of spiders. [1] It has been sunk within the family Liphistiidae as the subfamily Heptathelinae, [2] but as of April 2024 was accepted by the World Spider Catalog. [1] It is placed in suborder Mesothelae, which contains the most basal living spiders.
Lycosoidea is a clade or superfamily of araneomorph spiders.The traditional circumscription was based on a feature of the eyes. The tapetum is a reflective layer at the back of the eye, thought to increase sensitivity in low light levels.
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] Atypidae Thorell, 1870 Antrodiaetidae Gertsch, 1940 Mecicobothriidae Holmberg, 1882