Sphenophyllum oblongifolium (Gerner & Kaulfuss)
| 1941. | Sphenophyllum oblongifolium (Gerner & Kaulfuss) Otuka, Y. 1941a p. 47, text-fig. 1 |
| Condition: | Present |
| Taxonomy: | Plantae: |
| Geologic Time: | Paleozoic: |
| Otuka, Y., 1941a: Stratigraphic observations at the eastern hill of Taiyuan-fu, in the Shansi district, north China. Journal of the Geological Society of Japan, vol. 48, no. 568, pp. 47–50. (in English with Japanese abstract) (Reference No. 0249) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 235. |

