Petuch, E. J., 1990. A New Molluscan Faunule from the Caribbean Coast of Panama. The Nautilus: A Quarterly Devoted to Malacology, 104(2): 57 -70 .
New Species-Group Names:
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brunneofilaris Petuch, 1990. p. 66. f. 30-31.
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ernesti Petuch, 1990. p. 67. f. 28. 29.
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hilli Petuch, 1990. p. 68. f. 36. 37.
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panamicus Petuch, 1990. p. 67. f. 26. 27.
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portobeloensis Petuch, 1990. p. 68. f. 32. 33.
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rosemaryae Petuch, 1990. p. 68. f. 34. 35.