The Neotropical ctenuchid genera Ceramidia and Ceramidiodes and the Caca species group of the genus Antichloris are revised. A key to the genera, species groups, and species based upon habitus and male and female genitalia is provided. The natural history, distribution patterns, and classification are discussed. The species are reviewed regarding their taxonomic history, identity, morphology, and distribution. Photographs of the adults including most of the holotypes of the valid names and their junior synonyms are offered. Drawings of the male and female genitalia are included.