Achomosphaera |
Achomosphaera crassipellis
|
Nigeria |
Early Maastrichtian |
|
Achomosphaera |
Achomosphaera ramulifera
|
Nigeria |
Late Maastrichtian |
|
Alterbidinium |
Alterbidinium minus
|
Nigeria |
Early Maastrichtian |
|
Senegalinium |
Senegalinium laevigatum
|
Nigeria |
Maastrichtian |
|
Andalusiella |
Andalusiella mauthei
|
Nigeria |
Late Maastrichtian |
|
Andalusiella |
Andalusiella polymorpha
|
Nigeria |
Late Maastrichtian |
|
Andalusiella |
Andalusiella rhomboides
|
Nigeria |
Late Maastrichtian |
|
Ceratiopsis |
Ceratiopsis diebelii
|
Nigeria |
Early Maastrichtian |
|
Ceratiopsis |
Ceratiopsis granulostriata
|
Nigeria |
Late Maastrichtian |
|
Ceratiopsis |
Ceratiopsis granulostriata
|
Nigeria |
Late Maastrichtian |
|
Ceratiopsis |
Ceratiopsis leptoderma
|
Nigeria |
Early Maastrichtian |
|
Cometodinium |
Cometodinium whitei
|
Nigeria |
Early Maastrichtian |
|
Cordosphaeridium |
Cordosphaeridium inodes
|
Nigeria |
Late Maastrichtian |
|
Dinogymnium |
Dinogymnium acuminatum
|
Nigeria |
Late Maastrichtian |
|
Dinogymnium |
Dinogymnium avellana
|
Nigeria |
Maastrichtian |
|
Dinogymnium |
Dinogymnium euclaense
|
Nigeria |
Early Maastrichtian |
|
Dinogymnium |
Dinogymnium hyalinum
|
Nigeria |
Early Maastrichtian |
|