ammonites
Sulcogadila Moroni and Ruggieri 1981 (tusk shell)

Scaphopoda - Gadilida - Gadilidae

Parent taxon: Gadilinae according to P. D. Reynolds and G. Steiner 2008

Sister taxa: Bathycadulus, Cadulus, Costentalina, Gadila

Subtaxa: none

Ecology: slow-moving shallow infaunal deposit feeder