Family Magelonidae Cunningham and Ramage 1888 (worm)
Polychaeta - Spionida - Magelonidae
Parent taxon: Spionida according to C. J. Glasby et al. 2000
See also Chen et al. 2020
Sister taxa: Apistobranchidae, Chaetopteridae, Longosomatidae, Poecilochaetidae, Spionidae, Trochochaetidae, Uncispionidae
Subtaxa: Dannychaeta
Ecology: epifaunal detritivore
Distribution: found only at Guanshan Reservoir (Cambrian of China)