†family Laudonocrinidae Moore and Strimple 1973 (feather star)
Parent taxon: Lophocrinacea according to R. K. Pabian and W. J. Rushlau 2002
Sister taxa: none
Subtaxa: Anchicrinus, Athlocrinus, Bathronocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder