†Spinidelphinulopsis Blodgett, Fryda & Stanley 2001
Blodgett, Fryda & Stanley 2001. Delphinulopsidae, a new neritopsoidean gastropod family from the Upper Triassic (upper Carnian or lower Norian) of the Wallowa terrane, northeastern Oregon. Journal of the Czech Geological Society, 46(3-4) 2001: 307-318