| Original Usage: | Ptychonema Ptychonema Perner, 1903 | |
|---|---|---|
| 等级: | Genus |
No BHL Results
|
| 拼法: | Ptychonema | |
| 著作权: | Ptychonema Perner, 1903 in |
|
| 发表: | A low diversity shallow water lingulid brachiopod-gastropod association from the Upper Ordovician of Kyrgyz Range. Acta Palaeontologica Polonica 52(1): 27-40. | |
| 页: | ||
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