Tricolpopollenites |
Tricolpopollenites parvulus
|
Maryland |
Early Cenomanian |
|
Tricolporopollenites |
Tricolporopollenites distinctus
|
Maryland |
Late Albian |
Early Cenomanian |
Tricolporopollenites |
Tricolporopollenites fortis
|
Maryland |
Late Albian |
Early Cenomanian |
Tricolporopollenites |
Tricolporopollenites triangulus
|
Maryland |
Late Albian |
Early Cenomanian |
Alsophilidites |
Alsophilidites pannuceus
|
Maryland |
Early Neocomian |
Middle Neocomian |
Apiculatisporites |
Apiculatisporites asymmetricus
|
Maryland |
Early Neocomian |
Middle Neocomian |
Apiculatisporis |
Apiculatisporis babsae
|
Maryland |
Middle Albian |
|
Concavissimisporites |
Concavissimisporites punctatus
|
Maryland |
Early Neocomian |
Late Albian |
Densosporites |
Densosporites microrugulatus
|
Maryland |
Early Neocomian |
Middle Neocomian |
Densosporites |
Densosporites perinatus
|
Maryland |
Early Neocomian |
Early Albian |
Ischyosporites |
Ischyosporites crateris
|
Maryland |
Early Neocomian |
Middle Neocomian |
Monosulcites |
Monosulcites chaloneri
|
Maryland |
Middle Albian |
|
Decussosporites |
Decussosporites microreticulatus
|
Maryland |
Middle Albian |
|
Eucommiidites |
Eucommiidites troedssonii
|
Maryland |
Early Neocomian |
Middle Albian |
Exesipollenites |
Exesipollenites tumulus
|
Maryland |
Early Neocomian |
Early Cenomanian |
Tsugaepollenites |
Tsugaepollenites mesozoicus
|
Maryland |
Early Neocomian |
Early Cenomanian |
Alisporites |
Alisporites bilateralis
|
Maryland |
Early Neocomian |
|