Arkyidae

Arkyidae
Arkys cornutus
Arkys sp. from New Guinea
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Family:	Arkyidae L. Koch, 1872
Genera
Arkys Walckenaer, 1837 Demadiana Strand, 1929
Diversity
2 genera, 43 species

Arkyidae, also known as triangular spiders,[1] is a family of araneomorph spiders first described by Ludwig Carl Christian Koch in 1872 as a subfamily of Araneidae, and later elevated to a full family in 2017.[2]

Genera and species

This section lists all described species as of December 2020^[update]:[2]

Arkys Walckenaer, 1837

• A. alatus Keyserling, 1890 — Australia (Queensland, New South Wales)
• A. alticephala (Urquhart, 1891) — Southern Australia
• A. brevipalpus Karsch, 1878 — New Caledonia
• A. bulburinensis Heimer, 1984 — Australia (Queensland, New South Wales)
• A. cicatricosus (Rainbow, 1920) — Australia (Lord Howe Is.)
• A. cornutus L. Koch, 1872 — New Guinea, Australia (Queensland)
• A. coronatus (Balogh, 1978) — New Guinea
• A. curtulus (Simon, 1903) — Eastern Australia
• A. dilatatus (Balogh, 1978) — Australia (Queensland)
• A. enigma Douglas, 2019 — Australia (Tasmania)
• A. furcatus (Balogh, 1978) — Australia (Queensland)
• A. gracilis Heimer, 1984 — Australia (Queensland)
• A. grandis (Balogh, 1978) — New Caledonia
• A. hickmani Heimer, 1984 — Australia (Tasmania)
• A. kaszabi (Balogh, 1978) — New Guinea
• A. lancearius Walckenaer, 1837 (type) — New Guinea to Australia (New South Wales)
• A. latissimus (Balogh, 1982) — Australia (Queensland)
• A. montanus (Balogh, 1978) — New Guinea
• A. multituberculatus (Balogh, 1982) — Australia (Queensland)
• A. nimdol Chrysanthus, 1971 — New Guinea
• A. occidentalis (Reimoser, 1936) — Indonesia (Buru Is.)
• A. roosdorpi (Chrysanthus, 1971) — New Guinea
• A. semicirculatus (Balogh, 1982) — Australia (Queensland)
• A. sibil (Chrysanthus, 1971) — New Guinea
• A. soosi (Balogh, 1982) — New Guinea
• A. speechleyi (Mascord, 1968) — Australia (New South Wales)
• A. toxopeusi (Reimoser, 1936) — Indonesia (Buru Is.)
• A. transversus (Balogh, 1978) — Australia (New South Wales)
• A. tuberculatus (Balogh, 1978) — Australia (Queensland)
• A. varians (Balogh, 1978) — New Caledonia
• A. vicarius (Balogh, 1978) — New Caledonia
• A. walckenaeri Simon, 1879 — Australia, Tasmania

Demadiana Strand, 1929

• D. carrai Framenau, Scharff & Harvey, 2010 — Australia (New South Wales)
• D. cerula (Simon, 1908) — Australia (Western Australia)
• D. complicata Framenau, Scharff & Harvey, 2010 — Australia (Queensland)
• D. diabolus Framenau, Scharff & Harvey, 2010 — Australia (South Australia, Tasmania)
• D. milledgei Framenau, Scharff & Harvey, 2010 — Australia (New South Wales, Victoria)
• D. simplex (Karsch, 1878) (type) — Southern Australia

References

1. "Triangular Spiders and Allies (Family Arkyidae)". iNaturalist Australia. Retrieved 2023-09-13.
2. "Family: Arkyidae L. Koch,1872". World Spider Catalog Version 20.0. Natural History Museum Bern. 2021. doi:10.24436/2. Retrieved 2021-01-08.