Santana Group

Geology

Formations: unnamed (12), Crato (82), Pedra Branca (1), Romualdo (32)

Lithologies: not reported (10), claystone (1), mudstone (11), "shale" (22), siltstone (9), sandstone (8), marl (1), lime mudstone (11), "limestone" (16), "carbonate" (55)

Paleoenvironments: marine indet. (18), terrestrial indet. (9), carbonate indet. (1), lagoonal/restricted shallow subtidal (9), basin reef (1), coastal indet. (6), lagoonal (2), deltaic indet. (2), fluvial-lacustrine indet. (2), lacustrine - large (74), lacustrine - small (2), lacustrine indet. (1)

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Albian or 122.46000 to 109.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Aptian - Albian125.0 - 100.5Brazil (Pernambuco) (235054)
Aptian - Albian125.0 - 100.5Brazil (Ceará) (235049 235051 235052 235053)
Late/Upper Aptian122.46 - 113.0Brazil (Piauí) (123478)
Late/Upper Aptian122.46 - 113.0Brazil (Pernambuco) (28050 123490 133574 193049 193050 193051 193052 193053 193054)
Late/Upper Aptian122.46 - 113.0Brazil (Caerá) (150989 150990 150991 150993)
Late/Upper Aptian122.46 - 113.0Brazil (Ceara) (34899 34900 34901 77891 142447 190135 196205)
Late/Upper Aptian122.46 - 113.0Brazil (Ceará) (28052 51693 67712 83306 92097 92290 94694 102227 104659 105330 114641 114920 115134 116148 118941 119444 119562 122352 122556 122557 122553 122596 122918 122919 122921 122922 122924 122925 122926 122927 122928 123010 123011 123012 123013 123014 123015 124310 124526 125508 125509 125510 125511 127034 128565 128566 128568 138839 138921 139579 140371 140951 149755 149767 155268 150994 150995 150996 150997 150998 150999 151000 151001 151002 152185 152600 153606 221885 161261 162853 164198 164499 169901 181423 181590 183972 186591 186592 194497 196726 196727 196728 203297 215038 215116 215125 226882 216852 217013 219045 227841 228235 228749 228900 228901 228902 232645)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0Brazil (Pernambuco) (228641)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0Brazil (Pernacumbo) (165422)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0Brazil (Ceará) (235286)
Early/Lower Albian112.03 - 109.0Brazil (Caerá) (224474)