Hammatoceras chibai (Yokoyama) Holotype Sato, T., 1954b p. 94, pl. 8, fig. 6 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras chibai (Yokoyama) Holotype Shikama, T., 1964 p. 154, pl. 54, fig. 7 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 15, p. 166. |
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Hammatoceras hosourense Sato Holotype Sato, T., 1954b p. 91, pl. 9, fig. 6 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras hosourense Sato Paratype Sato, T., 1954b p. 91, pl. 7, fig. 2 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras hosourense Sato Paratype Sato, T., 1954b p. 91, pl. 7, fig. 5 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras hosourense Sato Paratype Sato, T., 1954b p. 91, pl. 7, fig. 6 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras hosourense Sato Paratype Sato, T., 1954b p. 91, pl. 9, fig. 5 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 249. |
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Hammatoceras hosourense Sato Paratype Shikama, T., 1964 p. 154, pl. 54, fig. 9 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 15, p. 158. |
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Hammatoceras kitakamiense Shimizu Holotype Sato, T., 1954b p. 84, pl. 7, fig. 4 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 248. |
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Hammatoceras kitakamiense Shimizu Sato, T., 1954b p. 84, pl. 8, fig. 3 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 248. |
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Hammatoceras kitakamiense Shimizu Sato, T., 1954b p. 84, pl. 9, fig. 4 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 248. |
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Hammatoceras kitakamiense Shimizu Sato, T., 1954b p. 84, pl. 8, fig. 5 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 248. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 8 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 10 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 11 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 18a, b Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 12a, b Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 13a, b Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 14 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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Hammatoceras sp. Sato, T., 1972b p. 240, pl. 40, fig. 15 Mesozoic | Mollusca : Cephalopoda Material Reports, no. 2, p. 257. |
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