The wandering spiders are the members of the spider family Ctenidae. Previously, the term referred only to the genus Phoneutria but now usually refers to the entire family Ctenidae. The members of the genus Phoneutria are highly aggressive and venomous nocturnal hunters, and are the only wandering spiders known to pose a serious danger to humans. However, the venom of some other members of this family is very poorly known,[3] meaning that all larger ctenids should be treated with caution. Some ctenids have marks and patterns that are attractive. Ctenids have a distinctive longitudinal groove on the top-rear of their oval carapace[4] (some other spiders have a similar groove; e.g., Amaurobiidae).

Genera


Zebra spider Viridasius fasciatus in Anjajavy Forest, Madagascar

Cupiennius salei adult male. A species with an important toxin for medical research, but not a medically significant bite - although often mistaken for Phoneutria
As of November 2015, the World Spider Catalog accepted the following genera:[1]

Acantheis Thorell, 1891
Acanthoctenus Keyserling, 1877
Africactenus Hyatt, 1954
Afroneutria Polotow & Jocqué, 2015
Amauropelma Raven, Stumkat & Gray, 2001
Anahita Karsch, 1879
Ancylometes Bertkau, 1880
Apolania Simon, 1898
Arctenus Polotow & Jocqué, 2014
Asthenoctenus Simon, 1897
Bengalla Gray & Thompson, 2001
Caloctenus Keyserling, 1877
Celaetycheus Simon, 1897
Centroctenus Mello-Leitão, 1929
Chococtenus Dupérré, 2015
Ciba Bloom et al., 2014
Ctenus Walckenaer, 1805
Cupiennius Simon, 1891
Diallomus Simon, 1897
Enoploctenus Simon, 1897
Gephyroctenus Mello-Leitão, 1936
Incasoctenus Mello-Leitão, 1942
Isoctenus Bertkau, 1880
Janusia Gray, 1973
Leptoctenus L. Koch, 1878
Mahafalytenus Silva, 2007
Montescueia Carcavallo & Martínez, 1961
Nothroctenus Badcock, 1932
Ohvida Polotow & Brescovit, 2009
Parabatinga Polotow & Brescovit, 2009
Petaloctenus Jocqué & Steyn, 1997
Phoneutria Perty, 1833
Phymatoctenus Simon, 1897
Sinoctenus Marusik, Zhang & Omelko, 2012
Thoriosa Simon, 1910
Toca Polotow & Brescovit, 2009
Trogloctenus Lessert, 1935
Trujillina Bryant, 1948
Tuticanus Simon, 1897
Viracucha Lehtinen, 1967
Wiedenmeyeria Schenkel, 1953

source - Wikipedia
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