Veryhachium sp. Brit.,1965
- Citations total:
- 2
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| original | Middle Devonian | Brazil(Pernambuco) | Brito,I.M. Short note on the Devonian microfossils of Pernambuco | 1965 | |
| original | Givetian | Ohio | Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. | 1981 |