Petuch, E. J. (1988). New species of Ecphora and ecphorine thaidids from the Miocene of Chesapeake Bay, Maryland, U.S.A. Bulletin of Paleomalacology. 1(1): 1-16.
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Petuch, E. J.
1988
New species of Ecphora and ecphorine thaidids from the Miocene of Chesapeake Bay, Maryland, U.S.A.
