Biretisporites |
Biretisporites sp
|
South Dakota |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora punctata
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora undula
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Concavisporites |
Concavisporites subgranulosus
|
South Dakota |
Callovian |
Oxfordian |
Concavisporites |
Concavisporites hexagonalis
|
South Dakota |
Callovian |
Oxfordian |
Concavisporites |
Concavisporites polygonalis
|
South Dakota |
Callovian |
Oxfordian |
Cyathidites |
Cyathidites mesozoicus
|
South Dakota |
Callovian |
Oxfordian |
Dictyophyllidites |
Dictyophyllidites harrisii
|
South Dakota |
Callovian |
Oxfordian |
Calamospora |
Calamospora mesozoica
|
South Dakota |
Callovian |
Oxfordian |
Todisporites |
Todisporites minor
|
South Dakota |
Callovian |
Oxfordian |
Cyclogranisporites |
Cyclogranisporites congestus
|
South Dakota |
Callovian |
Oxfordian |
Granulatisporites |
Granulatisporites sp
|
South Dakota |
Callovian |
Oxfordian |
Iniquiornatisporis |
Iniquiornatisporis minor
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Leptolepidites |
Leptolepidites major
|
South Dakota |
Callovian |
Oxfordian |
Leptolepidites |
Leptolepidites sp
|
South Dakota |
Callovian |
Oxfordian |
Acanthotriletes |
Acanthotriletes varispinosus
|
South Dakota |
Callovian |
Oxfordian |
Osmundacidites |
Osmundacidites sp
|
South Dakota |
Callovian |
Oxfordian |