Britton Formation

Geology

Group: Eagle Ford

Members: unnamed (17), lower (1)

Lithologies: not reported (8), "siliciclastic" (4), "shale" (4), "limestone" (2), siderite (1)

Paleoenvironments: marine indet. (16), shallow subtidal indet. (1), deep-water indet. (1)

Age range: base of the Late/Upper Cenomanian to the top of the Turonian or 99.60000 to 89.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Cenomanian - Turonian100.5 - 89.8USA (Texas) (234310)
Late/Upper Cenomanian99.6 - 93.5USA (Texas) (95371 102474 135744 167820 167821 175430 175717 175718 177098 230847 230848)
Late/Upper Cenomanian - Early/Lower Turonian99.6 - 89.3USA (Texas) (77349 221658)
Middle Cenomanian - Early/Lower Turonian99.6 - 89.3USA (Texas) (106196 221989)
Early/Lower Turonian93.5 - 89.3USA (Texas) (135243)
Middle Turonian93.5 - 89.3USA (Texas) (178919)