The spider genus Spintharus occurs from the northeastern United States to Brazil.

Only some have an elevated eye region or humps on the anterior of the abdomen.

A revision of the genus by Ingi Agnarsson [nl] and colleagues printed in 2018 included the description of fifteen new species, as well as the removal of S.

[4] As of 2017, when the electronic pre-print was published, Spintharus was the spider genus with the most species named after celebrities.

[5] An earlier revision of the genus was by Herbert Walter Levi; his taxonomy recognized two species: S. flavidus and S.