Helcioniscus pallidus (Gould) Yokoyama, M., 1920 p. 101, pl. 6, fig. 16a, b Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 256. |
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Helcioniscus pallidus (Gould) Yokoyama, M., 1920 p. 101, pl. 6, fig. 17a, b Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 256. |
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Helcioniscus pallidus (Gould) Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 266. |
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Helcioniscus pallidus (Gould) Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 266. |
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Helcioniscus pallidus (Gould) Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 266. |
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Helcioniscus pallidus (Gould) Missing Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 284. |
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Helcioniscus pallidus (Gould) Yokoyama, M., 1925a p. 15, pl. 1, fig. 4 Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 304. |
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Helcioniscus pallidus (Gould) Missing Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 307. |
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Helcioniscus pallidus (Gould) Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 307. |
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Helcioniscus pallidus (Gould) Cenozoic | Mollusca : Gastropoda : Patellidae Material Reports, no. 9, p. 307. |