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
Sinemurian199.5 - 192.9Algeria (238710)