Order Gadilida Starobogatov 1982 (tusk shell)
Parent taxon: Scaphopoda according to P. D. Reynolds and G. Steiner 2008
See also Wells and Houston 2001
Sister taxa: Dentaliida, Dentalioida, Dentaloidea, Entalis, Solenoconchia, Throopella
Subtaxa: Compressidens Entalimorpha Gadilimorpha Megaentalina
Ecology: slow-moving shallow infaunal deposit feeder