Tetrablemmidae, sometimes called armored spiders, is a family of tropical araneomorph spiders first described by Octavius Pickard-Cambridge in 1873.[1] It contains 126 described species in 29 genera from southeast Asia, with a few that occur in Africa and Central and South America.[2] Pacullidae was incorporated into this family in 1981,[3] but was later restored as a separate family in a 2016 phylogenetic study.[4]
Most species have been collected from litter and soil, including that of epiphytes. Some live in caves and show typical adaptations of cave spiders, such as loss of eyes and weak sclerotization.[5][6] Members of Tetrablemma only have four eyes,[1] a trait in spiders only found in these and certain members of Caponiidae.
^ abPickard-Cambridge, O. (1873). "On some new genera and species of Araneida". Proceedings of the Zoological Society of London. 41 (1): 112–129.
^Cite error: The named reference NMBE was invoked but never defined (see the help page).
^Lehtinen, P. T. (1981). "Spiders of the Oriental-Australian region. III. Tetrablemmidae, with a world revision". Acta Zoologica Fennica. 162: 20.
^Wheeler, Ward C.; et al. (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. PMID 34724759. S2CID 35535038.
^Shear, W.A. (1978). "Taxonomic notes on the armored spiders of the families Tetrablemmidae and Pacullidae" (PDF). American Museum Novitates (2650).
^Burger, M.; et al. (2005). "Complex genital system of a haplogyne spider (Arachnida, Araneae, Tetrablemmidae) indicates internal fertilization and full female control over transferred sperm". Journal of Morphology. 267 (2): 166–186. doi:10.1002/jmor.10394. PMID 16276493. S2CID 9408450.
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