Achomosphaera |
Achomosphaera heterostylis
|
Texas |
Cenomanian |
Coniacian |
Achomosphaera |
Achomosphaera ramulifera
|
Texas |
Cenomanian |
Coniacian |
Achomosphaera |
Achomosphaera reticulata
|
Nd |
Nd |
|
Achomosphaera |
Achomosphaera sagena
|
Texas |
Cenomanian |
Coniacian |
Aldorfia |
Aldorfia deflandrei
|
Texas |
Cenomanian |
Coniacian |
Alterbia |
Alterbia minor
|
Texas |
Cenomanian |
Coniacian |
Appendicisporites |
Appendicisporites baconicus
|
Texas |
Cenomanian |
Coniacian |
Appendicisporites |
Appendicisporites bifurcatus
|
Texas |
Cenomanian |
Coniacian |
Appendicisporites |
Appendicisporites dentimarginatus
|
Texas |
Cenomanian |
Coniacian |
Appendicisporites |
Appendicisporites erdtmannii
|
Texas |
Cenomanian |
Coniacian |
Appendicisporites |
Appendicisporites jansonii
|
Texas |
Cenomanian |
Coniacian |
Apteodinium |
Apteodinium conjunctum
|
Texas |
Early Cenomanian |
|
Apteodinium |
Apteodinium granulatum
|
Texas |
Early Cenomanian |
|
Baculatisporites |
Baculatisporites comaumensis
|
Texas |
Cenomanian |
Coniacian |
Biretisporites |
Biretisporites potoniaei
|
Texas |
Cenomanian |
Coniacian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
Texas |
Cenomanian |
Coniacian |
Camarozonosporites |
Camarozonosporites insignis
|
Texas |
Cenomanian |
Coniacian |