Xanioprion walliseri
- Citations total:
- 2
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| details | Late Devonian | Poland | Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 | |
| original | Late Frasnian | Nd | Szaniawski,H. et al. Polychaete jaw apparatuses and scolecodonts from the Upper Devonian of Poland. | 1973 |