LaniellusLaniellus is a genus of passerine birds in the family Leiothrichidae.TaxonomyThese species were both formerly placed in the genus Crocias but under the rules of the International Code of Zoological Nomenclature Laniellus Swainson, 1832 has priority over Crocias Temminck, 1836. The type species is the spotted crocias.SpeciesThe genus contains two species: Spotted crocias Grey-crowned crocias