Cenomanian/Paleogene | Scaglia Limestone | Italy | 1 |
Maastrichtian | Selma Chalk | Alabama/Mississippi | 1 |
Maastrichtian | Pierre Shale | Colorado/Kansas/Nebraska | 1 |
Maastrichtian | Laramie Formation | Colorado/Wyoming | 1 |
Maastrichtian | Horsethief Sandstone | Montana | 1 |
Maastrichtian | Bearpaw Shale | Montana | 1 |
Maastrichtian | Peedee Formation | North/South Carolina | 1 |
Maastrichtian | Coon Creek Formation | Tennessee/Mississippi | 1 |
Maastrichtian | Britton Formation | Texas | 1 |
Maastrichtian | Annona Formation | Texas | 1 |
Maastrichtian | Ozan Formation | Texas | 1 |
Maastrichtian | North Horn Formation | Utah | 1 |
Maastrichtian | Misc. | USA | 4 |
Maastrichtian | St. Mary's River Formation | Alberta, Canada | 1 |
Maastrichtian | Yacoraite Formation | Argentina | 1 |
Maastrichtian | Tarbur Formation | Iran | 1 |
Maastrichtian | Grudja Formation | Mozambique | 1 |
Maastrichtian | Judith Fancy | St. Croix | 1 |
Maastrichtian | Borro de Dande Limestone | | 1 |
Maastrichtian | Socuy Member, Colon Formation | Venezuela | 1 |
Campanian | Misc. | USA | 2 |
Santonian | Graneros Shale | Colorado/Kansas/Nebraska | 9 |
Santonian | Il Am | Iran | 1 |
Santonian | Niobrara Chalk | Colorado/Kansas/Nebraska | 1 |
Santonian | Misc. | USA | 20 |
Turonian | Carlile Shale | Colorado/Kansas/Nebraska | 1 |
Turonian | Bluehill Member, Carlile Shale | Colorado/Kansas/Nebraska | 3 |
Turonian | Fairport Member, Carlile Shale | Colorado/Kansas/Nebraska | 6 |
Turonian | Livingston Formation | Montana | 1 |
Turonian | Upper Mancos Shale | Colorado/Kansas/Nebrasks | 1 |
Turonian | Cardium Formation | British Columbia | 1 |
Turonian | La Luna Formation | Venezuela | 1 |
Turonian | Derorim Formation | Israel | 1 |
Turonian | Melones Limestone | Puerto Rico | 1 |
Turonian | Fairport Chalk | Colorado/Kansas/Nebraska | 1 |
Turonian | Garian Formation | Egypt | 1 |
Turonian | Misc. | USA | 26 |
Cenomanian | Hartland Shale | Colorado/Kansas/Nebraska | 1 |
Cenomanian | Eagleford Formation | Texas | 1 |
Cenomanian | Woodbine Formation | Texas | 1 |
Cenomanian | Hazera Formation | Isreal | 1 |
Cenomanian | Saratoga Chalk | Arkansas | 1 |
Cenomanian | Graneros Shale | Colorado/Kansas/Nebraska | 1 |
Cenomanian | Sarvak Formation | Iran | 1 |
Cenomanian | Trinity Formation | Texas | 1 |
Cenomanian | Delrio Formation | Texas | 1 |
Cenomanian | Dunvegen Sandstone | British Columbia | 1 |
Cenomanian | Kiamichi Clay | Texas | 1 |
Cenomanian | Goodland Limestone | Texas | 2 |
Cenomanian | Washita Duck Creek Marl | Texas | 1 |
Cenomanian | Kiowa Shale | Kansas | 1 |
Cenomanian | Misc. | USA | 11 |
Upper Cretaceous | Barreirinhas Basin | Brazil | 1 |
Albian/Turonian | El Abra Formation | Mexico | 1 |
Albian | Georgetown Limestone | Texas | 1 |
Albian | Edwards Limestone | Texas | 1 |
Albian | Glen Rose | Texas | 2 |
Albian | Edwards Limestone | Texas | 1 |
Albian | Glen Rose | Texas | 2 |
Albian | Dakota Sandstone | Kansas | 1 |
Albian | Dakota Sandstone | Kansas | 1 |
Albian | Mural Limestone | Arizona | 1 |
Albian | Seafield Formation | Jamaica | 1 |
Albian | Knoxville Formation | California | 1 |
Albian | Misc. | USA | 1 |
Aptain/Albian | Apon Formation | Venezuela | 1 |
Aptian | Kootenai Formation | Montana | 1 |
Hauterivian | Buwaib Formation | Saudi Arabia | 1 |
Berriasian/Hauterivian | Fahliyan Formation | Iran | 1 |
Valanginian | Yamama Formation | Saudi Arabia | 1 |
Berriasian/Valanginian | Sulaiy Formation | Saudi Arabia | 1 |
Berriasian/Valanginian | Quintuco Formation | Argentina | 1 |
Berriasian | Misc. | USA | 1 |