†family Ontariocrinidae Jaekel 1918 (Sea lily)
Crinoidea - Dendrocrinida - Ontariocrinidae
Parent taxon: Merocrinacea according to W. I. Ausich 1998
Sister taxa: none
Subtaxa: Ontariocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Ontariocrinidae in the database