Hystrichosphaeridiopsis erugata
- Citations total:
- 2
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| original | Late Tithonian | Hauterivian | California | Warren,J.S. Dinoflagellates and acritarchs from the Upper Jurassic and Lower Cretaceous rocks on the west side of the Sacramento Valley, California. | 1967 |
| details | Late Oxfordian | Early Cretaceous | Canada(NWT,Mackenzie) | Brideaux,W.W. et al. Biostratigraphic determinations from the subsurface of the District of Franklin and MacKenzie and the Yukon Teritory | 1976 |