†family Antiquasteridae Kesling 1971 (brittle star)
Full reference: R. V. Kesling. 1971. Antiquaster magruni, a new unusual brittle-star from the Middle Devonian Silica Formation of northwestern Ohio. Contributions from the Museum of Paleontology, University of Michigan 23(10):181-191
Parent taxon: Parophiurina according to R. V. Kesling 1971
Sister taxon: Palaeuridae
Subtaxa: Antiquaster
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder