| Coordinates | 33°59′49″N 130°48′55″E / 33.9970°N 130.8153°E |
|---|---|
| Composition | |
| Palaeontological Formation | |
The Yamaga Formation is a palaeontological formation located in Japan. It dates to the Upper Oligocene period.[1]
See also
- ↑ "Habitat reconstruction of oligocene elasmobranchs from Yamaga Formation, Ashiya Group, western Japan". ResearchGate. Retrieved 26 February 2021.
Further reading
- Vickers-Rich, Patricia & Rich, Thomas Hewett (1993); Wildlife of Gondwana. Reed. ISBN 0-7301-0315-3
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