| |
Locality |
Layer |
|
Canada, NW Territor.+Arctic Islands, Axel Heiberg Island, GSC C22191 |
Desmoinesian |
|
|
China, Guangxi, Qixu, 0,4km |
15 (Huanglong Fm.) |
|
|
USA, Arkansas, Carroll Co., Harrison |
Witts Springs Fm. |
|
|
USA, Oklahoma, Muskogee Co., Webbers Fall, 4 mls NW of |
Brentwood Lst. |