Johnston, P.A.; Hendy, A.J.W. (2005). Paleoecology of Mollusks from the Upper Cretaceous Belly River Group. In: Currie, P.J.; Koppelhus, E.B. (eds) Dinosaur Provincial Park: a spectacular ancient ecosystem revealed. Indiana University Press, Bloomington, pp. 139-166.
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Johnston, P.A.; Hendy, A.J.W.
2005
Paleoecology of Mollusks from the Upper Cretaceous Belly River Group
In: Currie, P.J.; Koppelhus, E.B. (eds) Dinosaur Provincial Park: a spectacular ancient ecosystem revealed. Indiana University Press, Bloomington, pp. 139-166