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Echigoceras sasakii Niko, 2002 Paratype Niko, S., 2002b p. 351, figs. 1-3–7,11,12, 3-1,2, 4-3 Paleozoic | Mollusca : Cephalopoda Material Reports, no. 74, p. 34. |
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Echigoceras sasakii Niko, 2002 Holotype Niko, S., 2002b p. 351, figs. 1-1,2, 2-1–4, 4-2 Paleozoic | Mollusca : Cephalopoda Material Reports, no. 74, p. 34. |
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Echigoceras sasakii Niko, 2002 Paratype Niko, S., 2002b p. 351, figs. 1-8–10, 3-3, 4-1 Paleozoic | Mollusca : Cephalopoda Material Reports, no. 74, p. 34. |
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3 matching.
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