''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 "unispec ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

araneomorph The Araneomorphae (also called the Labidognatha) 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 (tarantulas and their cl ...

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 of Arachnida. He was also involved with educ ...

in 1942, and has only been found in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

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