Gonyaulacysta |
Gonyaulacysta jurassica
|
Tanzania |
Callovian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Tanzania |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta sp
|
Tanzania |
Callovian |
Oxfordian |
Histiophora |
Histiophora ornata
|
Tanzania |
Early Kimmeridgian |
|
Kalyptea |
Kalyptea sp
|
Tanzania |
Early Jurassic |
Early Kimmeridgian |
Meiourogonyaulax |
Meiourogonyaulax caytonensis
|
Tanzania |
Callovian |
Oxfordian |
Meiourogonyaulax |
Meiourogonyaulax caytonensis
|
Tanzania |
Callovian |
Oxfordian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Tanzania |
Early Jurassic |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
Tanzania |
Callovian |
Oxfordian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Tanzania |
Bajocian |
Bathonian |
Nannoceratopsis |
Nannoceratopsis sp
|
Tanzania |
Callovian |
Oxfordian |
Pareodinia |
Pareodinia antennata
|
Tanzania |
Callovian |
Oxfordian |
Pareodinia |
Pareodinia ceratophora
|
Tanzania |
Callovian |
Oxfordian |
Pareodinia |
Pareodinia ceratophora
|
Tanzania |
Early Kimmeridgian |
|
Pareodinia |
Pareodinia sp
|
Tanzania |
Early Jurassic |
Early Kimmeridgian |
Perisseiasphaeridium |
Perisseiasphaeridium pannosum
|
Tanzania |
Callovian |
Oxfordian |
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
Tanzania |
Early Kimmeridgian |
|