Petuch, E. J., 1990. New gastropods from the Bermont Formation (Middle Pleistocene) of the Everglades Basin. The Nautilus: A Quarterly Devoted to Malacology, 104 (3 ): 96 -104 .
New Species-Group Names:
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capelettii Petuch, 1990. p. 100. f. 11. 12. 13.
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griffini Petuch, 1990. p. 103. f. 14. 15.
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lemoni Petuch, 1990. p. 103. f. 16. 17.