Group

Geology

Formations: Khuff (6)

Lithologies: claystone (1), "limestone" (5)

Paleoenvironments: shallow subtidal indet. (1), offshore ramp (4), coastal indet. (1)

Age range: base of the Changhsingian to the top of the Griesbachian or 254.14000 to 250.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Changhsingian254.14 - 251.902Saudi Arabia (61839 87281 87282 106553)
Griesbachian251.902 - 250.5Saudi Arabia (87279 87283)