Selma Group

Geology

Formations: unnamed (21), Coffee (1), Coffee Sand (27), Demopolis Chalk (13), Eutaw (1), McShan/Eutaw (1), Mooreville (1), Mooreville Chalk (41), Owl Creek (1), Prairie Bluff (5), Prairie Bluff Chalk (1), Providence (1), Ripley (8)

Lithologies: not reported (41), "siliciclastic" (1), claystone (1), mudstone (2), "shale" (11), siltstone (6), sandstone (25), marl (8), chalk (26), grainstone (1), "limestone" (34), "carbonate" (2), amber (1)

Paleoenvironments: marine indet. (71), terrestrial indet. (10), carbonate indet. (43), shallow subtidal indet. (5), deep subtidal shelf (2), offshore shelf (2), marginal marine indet. (1), coastal indet. (4), transition zone/lower shoreface (4), offshore (3)

Age range: base of the Virgilian to the top of the Lutetian or 303.70000 to 41.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Missourian - Virgilian306.0 - 298.9USA (Pennsylvania) (173987)
Virgilian303.7 - 298.9USA (Pennsylvania) (176408 179596)
Griesbachian251.902 - 250.5Svalbard and Jan Mayen (212579 212782)
Santonian86.3 - 83.6USA (Mississippi) (46208 107798)
Santonian86.3 - 83.6USA (Alabama) (81924 81925 81926 81928 81929 81971)
Santonian - Early/Lower Campanian86.3 - 70.6USA (Alabama) (190359 190360)
Santonian - Maastrichtian86.3 - 66.0USA (Alabama) (84105 106451 107502 107503)
Early/Lower Santonian - Middle Santonian85.8 - 83.5USA (Mississippi) (64743)
Late/Upper Santonian85.8 - 83.5USA (Alabama) (52053 181177)
Late/Upper Santonian - Early/Lower Campanian85.8 - 70.6USA (Alabama) (81927 81931 81932 81933 81934 81935 81972 82043 82044 82047 82049 82051 82052 82053 82054 82055 84188 220761 227020)
Campanian83.6 - 72.1USA (Mississippi) (64742 87722 140912)
Campanian83.6 - 72.1USA (Tennessee) (124694)
Campanian - Maastrichtian83.6 - 66.0USA (Alabama) (142378 142379)
Early/Lower Campanian83.5 - 70.6USA (Alabama) (52054 52055 53151 81930 82035 82635 171351 171352 172589 172617 191172 211849 228877 228878 232232)
Early/Lower Campanian83.5 - 70.6USA (Mississippi) (221122 237075)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (Arkansas) (189417)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (Alabama) (80890 128414 129836)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (Mississippi) (6655 6656 6657 6658 6659 6660 6661 6664 7456 7457 7458 7459 7460 32139 32140 32141 32142)
Late/Upper Campanian83.5 - 70.6USA (Mississippi) (107506 207339)
Late/Upper Campanian83.5 - 70.6USA (Alabama) (192768 207057 207338)
Middle Campanian83.5 - 70.6USA (Alabama) (78185 97636)
Middle Campanian83.5 - 70.6USA (Mississippi) (3867 6662 6663 6665 6666 164558)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Alabama) (48682 82046 190361 190362 190363)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Mississippi) (190364 192775)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Tennessee) (46559)
Early/Lower Campanian - Maastrichtian83.5 - 66.0USA (Mississippi) (64744)
Middle Campanian - Late/Upper Maastrichtian83.5 - 66.0USA (Mississippi) (142008)
Maastrichtian72.1 - 66.0USA (Tennessee) (140675 205445)
Maastrichtian72.1 - 66.0USA (Alabama) (83239 140677)
Maastrichtian72.1 - 66.0USA (Mississippi) (7589 123367 123369 123370 205428 205512 205536)
Early/Lower Maastrichtian70.6 - 66.0USA (Alabama) (179355)
Early/Lower Maastrichtian70.6 - 66.0USA (Mississippi) (172643)
Late/Upper Maastrichtian70.6 - 66.0USA (Alabama) (83225 83237 83238 107501 123411)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) (142092)
Lutetian47.8 - 41.3USA (Texas) (77047)
Middle Eocene47.8 - 37.71Mexico (Tamaulipas) (42970 42972)
Middle Eocene47.8 - 37.71Mexico (Nuevo Leon) (42963 42964 42965 42966 42967 42968 42969 42971)
Middle Eocene47.8 - 37.71USA (Texas) (91124 98737 98834 142884 204621 204628 204629)