Intertidal spider

Intertidal spider
Intertidal spiders
Badumna insignis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Superfamily: Dictynoidea
Family: Desidae
Pocock, 1895


38 genera, 182 species

The intertidal spiders (family Desidae) live in a very unusual location — between the tides. Once thought to be limited to the Southern Hemisphere, members of this family in the genus Paratheuma were discovered in northern Sonora and the Florida Keys during the last half of the 20th Century. The family has been reevaluated in recent years and now includes inland genera and species as well. Members of the genus Paratheuma commonly live in barnacle shells, which they seal up with silk. This allows them to maintain an air bubble during high tide. These intertidal spiders feed on various small arthropods that live in the intertidal zone.



  • Badumna Thorell, 1890 (Australasia, USA, Paraguay)
  • Canala Gray, 1992 (New Caledonia)
  • Cicirra Simon, 1886 (Tasmania)
  • Colcarteria Gray, 1992 (Australia)
  • Desis Walckenaer, 1837 (Africa, Oceania, Australiaasia, Galapagos)
  • Epimecinus Simon, 1908 (Australia, New Caledonia)
  • Forsterina Lehtinen, 1967 (Australia, New Caledonia)
  • Gasparia Marples, 1956 (New Zealand)
  • Gohia Dalmas, 1917 (New Zealand)
  • Goyenia Forster, 1970 (New Zealand)
  • Hapona Forster, 1970 (New Zealand)
  • Helsonia Forster, 1970 (New Zealand)
  • Hulua Forster & Wilton, 1973 (New Zealand)
  • Laestrygones Urquhart, 1894 (New Zealand, Tasmania)
  • Lamina Forster, 1970 (New Zealand)
  • Lathyarcha Simon, 1908 (Australia)
  • Mangareia Forster, 1970 (New Zealand)
  • Matachia Dalmas, 1917 (New Zealand)
  • Mesudus Özdikmen, 2007 (New Zealand) - replacement name for Manawa Forster, 1970)
  • Myro O. P-Cambridge, 1876 (Tasmania, New Zealand)
  • Namandia Lehtinen, 1967 (Tasmania)
  • Neomyro Forster & Wilton, 1973 (New Zealand)
  • Notomatachia Forster, 1970 (New Zealand)
  • Nuisiana Forster & Wilton, 1973 (New Zealand)
  • Ommatauxesis Simon, 1903 (Tasmania)
  • Otagoa Forster, 1970 (New Zealand)
  • Panoa Forster, 1970 (New Zealand)
  • Paramatachia Dalmas, 1918 (Australia)
  • Paratheuma Bryant, 1940 (USA, Oceania, Korea, Japan)
  • Phryganoporus Simon, 1908 (Australia)
  • Pitonga Davies, 1984 (Australia)
  • Porteria Simon, 1904 (Chile)
  • Rapua Forster, 1970 (New Zealand)
  • Syrorisa Simon, 1908 (New Caledonia, Australia)
  • Taurongia Hogg, 1901 (Australia)
  • Toxops Hickman, 1940 (Tasmania)
  • Toxopsoides Forster & Wilton, 1973 (New Zealand)
  • Tuakana Forster, 1970 (New Zealand)

See also


  • A new genus of Mexican intertidal zone spider (Desidae) with biological and behavioral notes. American Museum novitates 2568. PDF (5Mb) - Abstract (Paratheuma interaesta)

External links

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