Dey, A. K., 1962. The Miocene Mollusca from Quilon, Kerala (India). Memoirs of the Geological Survey of India, New Ser. 36.
New Species-Group Names:
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quilonensis Dey, 1962. p. 104. pl. vii. f. 8, 9.
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tomlini Dey, 1962. p. 104. pl. vii. f. 29, 30.