Blodgett, R. B.; Frýda, J.; Stanley, G. D. Jr. (2001). Delphinulopsidae, a new neritopsoidean 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): 307−318.
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Blodgett, R. B.; Frýda, J.; Stanley, G. D. Jr.
2001
Delphinulopsidae, a new neritopsoidean family from the Upper Triassic (upper Carnian or lower Norian) of the Wallowa terrane, northeastern Oregon