Clade Eugnatha Attems 1898 (millipede)
Parent taxon: Helminthomorpha according to L. F. Vasquez-Valverde et al. 2026
See also Riquelme and Hernández-Patricio 2018 and Shear and Edgecombe 2010
Sister taxa: Archicambala, Archipolypoda, Archiulidae, Archiulus, Colobognatha, Dolesea, Hexecontasomatidae, Oklahomasomatidae, Sinosoma
Subtaxa: Coelocheta Juliformia Merocheta Nematophora Siphoniulida Stemmiulida
Ecology: