First Member
Geology
Formation: Ain Ouarka
Lithologies: marl (1), "limestone" (1)
Paleoenvironments: deep subtidal indet. (1)
Age range: Sinemurian or 199.50000 to 192.90000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sinemurian | Algeria | (238710) |