Order Myxiniformes (hagfish)
Synonyms: Hyperotreta, Hyperotreti
Parent taxon: Myxini according to R. Van Der Laan 2019
See also Bardack 1991, Gadow 1898, Jordan 1963, Long 2011, Meyer and Zardoya 2003, Nelson et al. 2016, Poplin et al. 2001, Sepkoski 2002 and Takezaki et al. 2003
Sister taxa: none
Subtaxa: Myxineidus Myxinidae Myxinikela
Distribution: