This is a list of fossiliferous stratigraphic units in Mauritania .
Contents
| Group | Member | Period | Notes |
|---|---|---|---|
| Aratane Group | Givetian | [1] | |
| Guelb Makhsar scolithus Sandstone | Llandovery | [2] | |
This is a list of fossiliferous stratigraphic units in Mauritania .
| Group | Member | Period | Notes |
|---|---|---|---|
| Aratane Group | Givetian | [1] | |
| Guelb Makhsar scolithus Sandstone | Llandovery | [2] | |
The Hatchetigbee Bluff Formation is a geologic formation in Alabama, Georgia, Louisiana and Mississippi. The youngest unit of the Wilcox Group preserves fossils dating back to the Ypresian stage of the Eocene period, or Wasatchian in the NALMA classification. The formation is named for Hatchetigbee Bluff on the Tombigbee River, Washington County, Alabama.
The Thaynes Formation is a geologic formation in Montana and Idaho, United States. It was recently elevated to group status, as the Thaynes Group.
The Thaynes Group, Thaynes Formation in older literature, is a geologic group in eastern Idaho, western Wyoming, Utah and eastern Nevada. It includes the Sinbad Formation, Virgin Formation and Shnabkaib Formation. The Thaynes Group is of marine origin. Its formations are interbedded with layers of the non-marine Moenkopi Group.
Fossiliferous stratigraphic units of the countries and dependencies of Africa | ||
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| Sovereign states |
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