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Published in Veliger, in 1989, in volume 32, pages 266-273

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Published in Veliger, in 1990, in volume 33, pages 346-354

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Published in Veliger, in 1986, in volume 28, pages 314-317

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Published in Entomological News, in 1973, in volume 84, pages 83-88.

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Published in Novapex, in 2008, in volume 9, pages 49-51

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Published in Iheringia Serie Zoologia, in 1981, in volume 60, pages 125-150

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Published in Nautilus, in 1998, in volume 111, issue 2, pages 47-52

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Published in Palaeontology, in 1983, in volume 26, issue 3, pages 455-465

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Published in Novapex, in 2011, in volume 12, issue 3-4, pages 119-123

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Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 181-194

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Published in Veliger, in 1979, in volume 22, pages 182-187

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