Xibalbanus is a genus of remipedes, which belongs to the monotypic family Xibalbanidae. All species live in anchialine systems in the Yucatán Peninsula except X. cozumelensis, that lives in Cozumel.
Etymology
The genus name is composed of "Xibalba", the underworld in ancient Mayan mythology, and the Latin suffix-anus, meaning “originating from.” == Species ==