Raistrickia |
Raistrickia spinosa
|
Oklahoma |
Chesterian |
|
Reticulatisporites |
Reticulatisporites papillatus
|
Oklahoma |
Chesterian |
|
Rotaspora |
Rotaspora fracta
|
Oklahoma |
Chesterian |
Morrowan |
Savitrisporites |
Savitrisporites nux
|
Oklahoma |
Morrowan |
|
Savitrisporites |
Savitrisporites nux
|
Oklahoma |
Chesterian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Oklahoma |
Chesterian |
|
Schopfites |
Schopfites claviger
|
Oklahoma |
Chesterian |
|
Schulzospora |
Schulzospora rara
|
Oklahoma |
Chesterian |
Morrowan |
Scolecodont |
Scolecodont
|
Oklahoma |
Morrowan |
|
Scolecodont |
Scolecodont sp
|
Oklahoma |
Morrowan |
|
Spackmanites |
Spackmanites facierugosus
|
Oklahoma |
Chesterian |
|
Spelaeotriletes |
Spelaeotriletes arenaceus
|
Oklahoma |
Morrowan |
|
Spelaeotriletes |
Spelaeotriletes arenaceus
|
Oklahoma |
Chesterian |
|
Trinidulus |
Trinidulus diamphidios
|
Oklahoma |
Morrowan |
|
Triquitrites |
Triquitrites sp
|
Oklahoma |
Chesterian |
Morrowan |
Waltzispora |
Waltzispora sagittata
|
Oklahoma |
Chesterian |
Morrowan |
Waltzispora |
Waltzispora sagittata
|
Oklahoma |
Chesterian |
Morrowan |