Symphytognathidae is a family of spiders with 90[1] described species in eight genera. They occur in the tropics of Central and South America and the Australian region (with Oceania). Exceptions include Anapistula benoiti, Anapistula caecula, and Symphytognatha imbulunga, found in Africa, Anapistula ishikawai, found in Japan, and Anapistula jerai, found in Southeast Asia.[2]

Dwarf orb-weavers
Crassignatha danaugirangensis, female
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Symphytognathidae
Hickman, 1931
Diversity
8 genera, 73 species

The species Patu digua is considered to be one of the smallest spiders in the world with a body size of 0.37 millimetres (0.015 in).[3]

Morphology

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Symphytognathidae are four, six or eight-eyed spiders and are generally small in size. The opisthosoma is covered in long hairs.[4]

Genera

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As of April 2019, the World Spider Catalog accepts the following genera:[2]

  • Anapistula Gertsch, 1941 — Asia, South America, Portugal, Oceania, Africa, North America, Jamaica
  • Anapogonia Simon, 1905 — Indonesia
  • Crassignatha Wunderlich, 1995 — Indonesia, Malaysia
  • Curimagua Forster & Platnick, 1977 — Panama, Venezuela
  • Globignatha Balogh & Loksa, 1968 — Brazil, Belize
  • Iardinis Simon, 1899 — Nepal, India
  • Patu Marples, 1951 — Asia, Colombia, Oceania, Seychelles
  • Swilda Miller, Griswold & Yin, 2009 — Asia
  • Symphytognatha Hickman, 1931 — Oceania, South America, Caribbean, Mexico, Belize, South Africa

References

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  1. ^ Li, Ya; Li, Shuqiang; Lin, Yucheng (19 November 2021). "Taxonomic study on fourteen symphytognathid species from Asia (Araneae, Symphytognathidae)". ZooKeys (1072): 1–47. doi:10.3897/zookeys.1072.67935. ISSN 1313-2989. PMC 8626413. PMID 34899006.
  2. ^ a b "Family: Symphytognathidae Hickman, 1931". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-04-25.
  3. ^ Forster, R. R.; Platnick, N. I. (1977). "A review of the spider family Symphytognathidae (Arachnida, Araneae)" (PDF). American Museum Novitates (2619): 20.
  4. ^ Schutt, Karin (March 2003). "Phylogeny of Symphytognathidae s.l. (Araneae, Araneoidea)". Zoologica Scripta. 32 (2): 129–151. doi:10.1046/j.1463-6409.2003.00103.x. ISSN 0300-3256. S2CID 84908326.