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| 等级: | Species |
|
|---|---|---|
| 上级: | Rostellites | |
| 种名: | willistoni | |
| 著作权: | Logan | |
| 发表: | The invertebrates of the Benton, Niobrara, and Fort Pierre Groups, Pt. VIII. IN Williston, S.L., Paleontology, Pt. I (upper Cretaceous). Kansas University Geological Survey 4: 431-518. | |
| 页: | 461 | |
| 图: | Pl. CXX, fig. 3 | |
| 模式标本: | KU | |
| 模式产地: | Cretaceous; Blue Hills Shales, Williams' Butte, Mitchell County, Kansas | |
| 化石: | 是 | |
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