Abies |
Abies sp
|
Maryland |
Quaternary |
|
Abietineaepollenites |
Abietineaepollenites sp
|
Maryland |
Barremian |
Early Cenomanian |
Abietineaepollenites |
Abietineaepollenites sp
|
Maryland |
Barremian |
Early Albian |
Acer |
Acer sp
|
Maryland |
Barremian |
Early Aptian |
Ajatipollis |
Ajatipollis sp.A Doyl.& Robb.,1977
sp. nov. |
Maryland |
Barremian |
Early Cenomanian |
Ajatipollis |
Ajatipollis sp.A Doyl.& Robb.,1977
sp. nov. |
Maryland |
Middle Albian |
|
Alisporites |
Alisporites sp
|
Maryland |
Barremian |
Early Cenomanian |
Alnus |
Alnus sp
|
Maryland |
Barremian |
Albian |
Ambrosia |
Ambrosia sp
|
Maryland |
Albian |
|
Apiculatisporis |
Apiculatisporis asymmetricus
|
Maryland |
Barremian |
Middle Albian |
Apiculatisporis |
Apiculatisporis asymmetricus
|
Maryland |
Barremian |
Albian |
Apiculatisporis |
Apiculatisporis babsae
|
Maryland |
Middle Albian |
Late Albian |
Appendicisporites |
Appendicisporites jansonii
|
Maryland |
Barremian |
Middle Albian |
Appendicisporites |
Appendicisporites potomacensis
|
Maryland |
Barremian |
Early Cenomanian |
Appendicisporites |
Appendicisporites segmentus
|
Maryland |
Middle Albian |
|
Appendicisporites |
Appendicisporites sp
|
Maryland |
Barremian |
Middle Albian |
Araucariacites |
Araucariacites australis
|
Maryland |
Barremian |
Early Cenomanian |