Dolomedidae

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Dolomedidae
Raft Spider (Dolomedes fimbriatus).jpg
Dolomedes fimbriatus
Megadolomedes trux - Scott W. Gavins - 559249276.jpeg
female Megadolomedes trux
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Dolomedidae
Simon, 1876 [1]
Diversity
7 genera, 128 species
Dolomedidae range map.svg
blue: reported countries (WSC)
green: observation hotspots (iNaturalist)
Synonyms [2] [3]

Bradystichidae Simon, 1884

Dolomedidae is a family of spiders comprising seven genera formerly part of the family Pisauridae. It includes the genus Dolomedes , known commonly as raft spiders, and its close relatives.

Contents

Taxonomy

The family was first circumscribed by Eugène Simon in 1876, but was later made synonymous with Pisauridae and Bradystichidae. It was restored to family level and redefined in 2025 based on a phylogenetic study of Pisauridae that found the family to be paraphyletic. [3] Morphologically, they differ from pisaurids in possessing a subterminal lateral apophysis below the fulcrum in males, and in females by possessing small, rounded accessory bulbs.

Genera

As of October 2025, this family includes seven genera and 128 species: [2]

References

  1. ↑ Eugène Simon (1892). Histoire naturelle des araignées (in French) (2 ed.). Paris: Roret. pp. 193–380. Retrieved 7 January 2025.
  2. 1 2 "Family: Dolomedidae Simon, 1876". World Spider Catalog. doi:10.24436/2 . Retrieved 2025-10-29.
  3. 1 2 Morris, Sarah A.; Hazzi, Nicolas A.; Hormiga, Gustavo (February 2025). "Molecular phylogenetics of nursery web spiders (Araneae: Pisauridae)" . Molecular Phylogenetics and Evolution. 203 108247. doi: 10.1016/j.ympev.2024.108247 . Retrieved 7 January 2025.


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