Atraktoprion robustus
- Citations total:
- 2
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| original | Ordovician | Silurian | Poland | Kielan-Jaworowska,Z. Polychaete jaw apparatuses from the Ordovician and Silurian of Poland and a comparison with modern forms. | 1966 |
| details | Middle Ordovician | Late Gothlandian | Europe | Taugourdeau,P. Scolecodont dispersa | 1978 |