†subfamily Devonothyoninae Boczarowski 2001 (sea cucumber)
Holothuroidea - Dendrochirotida - Cucumariidae
Full reference: A. Boczarowski. 2001. Isolated sclerites of Devonian non−pelmatozoan echinoderms. Palaeontologia Polonica 59:3-220
Parent taxon: Cucumariidae according to A. Boczarowski 2001
Sister taxa: Cucumaria, Palaeohemioedemiinae, Paleopentacta, Staurocaudininae
Subtaxa: Ballistocucumis Devonothyonites
Ecology: stationary epifaunal suspension feeder-detritivore
Distribution: