Washita Group

Geology

Formations: unnamed (8), Del Rio (3), Denison (3), Denton (32), Duck Creek (5), Fort Worth Limestone (2), Grayson Marl (4), Main Street Limestone (30), Pawpaw (20), Weno (20), Weno/Pawpaw (1)

Lithologies: not reported (21), "siliciclastic" (1), claystone (10), mudstone (4), "shale" (10), sandstone (1), marl (23), wackestone (1), "limestone" (69)

Paleoenvironments: marine indet. (33), carbonate indet. (41), shallow subtidal indet. (2), open shallow subtidal (28), platform/shelf-margin reef (1), deep subtidal ramp (1), deep subtidal indet. (1), offshore shelf (13), offshore indet. (2), marginal marine indet. (1), coastal indet. (1), offshore (5)

Age range: base of the Late/Upper Albian to the top of the Early/Lower Cenomanian or 105.30000 to 93.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Albian105.3 - 99.6USA (Texas) (5192 5196 52126 52355 58637 59869 59870 59871 59872 59873 59874 59875 59876 59878 59879 59880 65701 65703 65704 65706 65707 65710 65711 65712 65714 65716 65717 65718 65719 65721 65722 65723 65725 65726 65727 65728 65730 65732 65733 65734 65736 65737 65738 65739 66653 66654 66662 66663 66664 82361 82362 82364 82366 82367 82369 82368 82370 82371 106273 106274 106275 123264 123265 123322 123360 123576 127164 135482 136103 136105 138925 139282 139283 139285 139286 140911 140917 140918 141000 164594 164601 164605 175112 175115 175117 175118 175163 175165 175191 175192 175265 203424 203425 203432 209045 212380 212387 212391 212392 212393 212395 212398 234730)
Late/Upper Albian - Early/Lower Cenomanian105.3 - 93.5USA (Texas) (175113 175114 175116 175335 175336 203428 203430)
Early/Lower Cenomanian99.6 - 93.5USA (Texas) (59881 59882 59883 66665 88717 88718 88719 106276 123286 123355 139287 152498 152499 175108 175194 175199 175207 175337 213169)