Squires, R. L. (2011). Northeast Pacific Cretaceous record of Pyropsis (Neogastropoda: Pyropsidae) and paleobiogeography of the genus. Journal of Paleontology. 85(6): 1199-1215.
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Squires, R. L.
2011
Northeast Pacific Cretaceous record of Pyropsis (Neogastropoda: Pyropsidae) and paleobiogeography of the genus