Quadraticephalus calchas (Walcott) Kobayashi, T., 1933c p. 121, pl. 11, fig. 13 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus calchas (Walcott) Kobayashi, T., 1933c p. 121, pl. 12, fig. 8 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus calchas (Walcott) Kobayashi, T., 1933c p. 122, pl. 12, fig. 9 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus coreanicus Kobayashi Holotype Kobayashi, T., 1960b p. 402, pl. 20, fig. 2 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus coreanicus Kobayashi Paratype Kobayashi, T., 1960b p. 402, pl. 20, fig. 3, 4 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus coreanicus Kobayashi Paratype Kobayashi, T., 1960b p. 402, pl. 20, fig. 5 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus coreanicus Kobayashi Paratype Kobayashi, T., 1960b p. 402, pl. 20, fig. 6 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus coreanicus Kobayashi Paratype Kobayashi, T., 1960b p. 402, pl. 20, fig. 7 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus coreanicus Kobayashi Paratype Kobayashi, T., 1960b p. 402, pl. 21, fig. 13 Paleozoic | Arthropoda Material Reports, no. 2, p. 162. |
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Quadraticephalus elongatus Kobayashi Holotype Kobayashi, T., 1935c p. 320, pl. 5, fig. 8 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus elongatus Kobayashi Paratype Kobayashi, T., 1935c p. 320, pl. 5, fig. 9 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus manchuricus Kobayashi Paratype Kobayashi, T., 1933c p. 121, pl. 13, fig. 2 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus manchuricus Kobayashi Paratype Kobayashi, T., 1933c p. 121, pl. 13, fig. 3 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus manchuricus Kobayashi Holotype Kobayashi, T., 1933c p. 121, pl. 13, figs. 4, 5 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus manchuricus Kobayashi Paratype Kobayashi, T., 1933c p. 121, pl. 13, figs. 6, 7 Paleozoic | Arthropoda Material Reports, no. 2, p. 75. |
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Quadraticephalus manchuricus Kobayashi Kobayashi, T., 1935c p. 320, pl. 6, fig. 1 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus manchuricus Kobayashi Kobayashi, T., 1935c p. 320, pl. 6, fig. 2 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus manchuricus Kobayashi Kobayashi, T., 1935c p. 320, pl. 6, fig. 3 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus manchuricus Kobayashi Kobayashi, T., 1935c p. 320, pl. 6, figs. 4, 5 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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Quadraticephalus manchuricus Kobayashi Kobayashi, T., 1935c p. 320, pl. 6, fig. 6 Paleozoic | Arthropoda Material Reports, no. 2, p. 104. |
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