Tricolporopollenites |
Tricolporopollenites breviconulus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites circularius
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites cretacius
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites globus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites problematicus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites striatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites tectatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolporopollenites |
Tricolporopollenites vulvatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Cycadopites |
Cycadopites giganticus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Monosulcites |
Monosulcites nodulus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Monosulcites |
Monosulcites scabratus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Pseudotricolpites |
Pseudotricolpites clavatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Quercoidites |
Quercoidites genustriatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolpites |
Tricolpites barathrum
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolpites |
Tricolpites psilatus
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolpites |
Tricolpites varius
|
South Dakota |
Late Cretaceous |
Early Paleocene |
Tricolpopollenites |
Tricolpopollenites apertus
|
South Dakota |
Late Cretaceous |
Early Paleocene |