Suborder Gnathophiurina Matsumoto 1915 (brittle star)
Alternative spelling: Gnathophiurida
Full reference: H. Matsumoto. 1915. A new classification of Ophiuroidea: with description of genera and species. Proceedings of the Academy of Natural Sciences of Philadelphia 67:43-92
Parent taxon: Amphilepidida according to T. D. O'Hara et al. 2018
See also Matsumoto 1915, O'Hara et al. 2017 and Spencer and Wright 1966
Sister taxa: Ophionereidina, Ophiopsilina
Subtaxa: Amphiuroidea Ophiactoidea
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder