(Aethocrinus,(Colpodecrinus,(Quinquecaudex,(Archaetaxocrinus,(Protaxocrinus,(Agostocrinus,Brechmocrinus,Carabocrinus,Cupulocrinus,Dendrocrinus,Eoparisocrinus,Esthonocrinus,Grenprisia,Illemocrinus,Ontariocrinus,Ottawacrinus,Palaeocrinus,Plicodendrocrinus,Polycrinus,Porocrinus,Triboloporus,(Compagicrinus,Elpasocrinus),(Eopinnacrinus,Metabolocrinus),(Merocrinus,Praecupulocrinus)))))));