Level B Member

Geology

Formation: Dolores

Lithologies: mudstone (1)

Paleoenvironments: wet floodplain (1)

Age range: base of the Tremadoc to the top of the Lujanian or 486.50000 to 0.01200 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7France (Montagne Noire) (76570)
Kralodvorian449.8 - 445.2Czech Republic (Praha) (151986 151988)
Lujanian0.781 - 0.012Uruguay (Colonia) (226121)