Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 6-4 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 118, fig. 4-1 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Lectotype Maeda, H., 1993 p. 105, fig. 6-5,6 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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I-347a |
Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 124, fig. 4-7,8 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 110, fig. 4-9,10 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 6-1,2,3 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 6-7 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 3-2,4 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 3-1,3 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 118, fig. 9-2,3; fig. 14-4 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 9-1 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 110, fig. 4-13,14 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 110, fig. 4-1,2 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 107, fig. 3-7,8 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 111, fig. 4-11,12 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 112, fig. 10-2 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 112, fig. 10-3 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 112, fig. 10-1 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 111, fig. 9-4; fig. 14-2 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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Yokoyamaoceras ishikawai (Jimbo) Maeda, H., 1993 p. 111, fig. 9-5 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 33, p. 30. |
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