''Incasoctenus'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

araneomorph The Araneomorphae (also called the Labidognatha or "true spiders") are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (taran ...

spiders in the family

Xenoctenidae Xenoctenidae is a family of araneomorph spiders separated from Miturgidae in 2017. Genera and species , the World Spider Catalog accepts the following genera and species: Incasoctenus Mello-Leitão, 1942 *'' Incasoctenus perplexus'' Mello-Leit ...

, containing the single species, ''Incasoctenus perplexus''. It was first described by

Cândido Firmino de Mello-Leitão Cândido Firmino de Mello-Leitão (July 17, 1886 – December 14, 1948) was a Brazilian zoologist who is considered the founder of Arachnology in South America, publishing 198 papers on the Taxonomy (biology), taxonomy of Arachnida. He was als ...

in 1942, and has only been found in

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

and only the female is known. Originally placed with the wandering spiders, it was moved to the Xenoctenidae in 2017.

References

Xenoctenidae Monotypic Araneomorphae genera Spiders of South America Taxa named by Cândido Firmino de Mello-Leitão {{Xenoctenidae-stub