†Devonothyonites triangularis Langer 1991 (sea cucumber)
Holothuroidea - Dendrochirotida - Cucumariidae
Full reference: W. Langer. 1991. Beiträge zur Mikropaleontologie des Devons im Rheinischen Schiefergebirge. Geologisches Jahrbuch, Reihe A 128:35-65
Belongs to Devonothyonites according to W. Langer 1991
Sister taxa: Devonothyonites accipitris, Devonothyonites avis, Devonothyonites exporrigus, Devonothyonites polymorphus, Devonothyonites spiritus, Devonothyonites tudorowiensis
Ecology: stationary epifaunal suspension feeder-detritivore