| Early Leonardian | Kaibab Limestone | Arizona | | 1 |
| Roadian | Phosphoria Formation | Idaho/Montana | | 1 |
| Artinskian | Winfield Limestone | Kansas | | 1 |
| Artinskian | Barneston Limestone | Kansas | | 1 |
| Artinskian | Fort Riley Member, Barneston Limeston | Kansas | | 1 |
| Sakmarian | Havensville Shale | Kansas | | 1 |
| Sakmarian | Wreford Limestone | Kansas | | 1 |
| Asselian/Sakmarian | Hooser Shale Member, Bader Limestone | Kansas | | 1 |
| Asselian/Sakmarian | Florena Shale Member, Beattie Limestone | Kansas | | 1 |
| Asselian/Sakmarian | Cottonwood Limestone Member, Beattie Limestone | Kansas | | 1 |
| Asselian/Sakmarian | Beattie Limestone | Kansas | | 1 |
| Asselian | Johnson Shale | Kansas | | 1 |
| Asselian | Americus Limestone Member, Foraker Limestone | Kansas | | 1 |
| Asselian/Sakmarian | Hueco Group | New Mexico | | 1 |
| Guadelupian | Bell Canyon | Texas | | 1 |
| Guadelupian | Carlsbad Group | Texas | | 1 |
| Guadelupian | Seven Rivers Formation | Texas | | 1 |
| Guadelupian | Delaware Limestone | Texas | | 1 |
| Artinskian/Kungurian | Leonard Limestone | Texas | | 1 |
| Asselian/Sakmarian | Wolfcamp Shale | Texas | | 1 |
| Early to Middle Permian | Pequop Formation | Nevada | | 1 |
| Sakmarian | Garden Valley Formation | Nevada | | 1 |
| Artinskian | Eurydesma Limestone | Australia | | 1 |
| Artinskian | Darlington Limestone | Australia | | 1 |
| Sakmarian | Berriedale Limestone | Australia | | 1 |
| Lopingian | Rogenstein Member, Bernburg Formation | Germany | | 1 |
| Capitanian | Akasaka Limestone | Japan | | 1 |
| Artinskian | Nabeyama Limestone | Japan | | 1 |
| Sakmarian/Artinskian | Ibukiyama Limestone | Japan | | 1 |
| Sakmarian | Sakamotozawa Series | Japan | | 1 |
| Lower Permian | Nishikori Limestone | Japan | | 1 |
| Permian General | Misc. | Japan | Tokuyama Collection | 1 |
| Wordian | Khuff Formation | Saudi Arabia | | 1 |
