Petuch, E. J., 1988. New Gastropods from the Maryland Miocene. Bulletin of Paleomalacology, 1 (4 ): 69 -80 .
New Species-Group Names:
-
asheri Petuch, 1988. p. 77. pl. 2. figs. 15. 16.
Petuch, E. J., 1988. New Gastropods from the Maryland Miocene. Bulletin of Paleomalacology, 1 (4 ): 69 -80 .