Ungulites longidentatus
- Citations total:
- 2
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| original | Rocklandian | Canada(Ontario) | Eller,E.R. Scolecodonts from the Trenton series (Ordovician) of Ontario, Quebec and New York. | 1945 | |
| details | Middle Ordovician | North America | Taugourdeau,P. Scolecodont dispersa | 1978 |