Endoscrinium |
Endoscrinium anceps
|
North Sea |
Late Kimmeridgian |
|
Endoscrinium |
Endoscrinium bessebae
|
Morocco |
Barremian |
|
Endoscrinium |
Endoscrinium campanula
|
Morocco |
Hauterivian |
|
Endoscrinium |
Endoscrinium campanula
|
Morocco |
Hauterivian |
Hauterivian |
Exiguisphaera |
Exiguisphaera phragma
|
England |
Early Hauterivian |
|
Exiguisphaera |
Exiguisphaera plectilis
|
England |
Middle Barremian |
|
Gonyaulacysta |
Gonyaulacysta axicerastes
|
England |
Middle Barremian |
|
Gonyaulacysta |
Gonyaulacysta cassidata
|
Australia |
Aptian |
Cenomanian |
Gonyaulacysta |
Gonyaulacysta centriconnata
|
England |
Middle Callovian |
Early Oxfordian |
Gonyaulacysta |
Gonyaulacysta cornuta
|
Nd |
Nd |
|
Gonyaulacysta |
Gonyaulacysta crassicornuta
|
W.Germany |
Early Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta cretacea
|
England |
Hauterivian |
|
Gonyaulacysta |
Gonyaulacysta diutina
|
England |
Berriasian |
Hauterivian |
Gonyaulacysta |
Gonyaulacysta dualis
|
Canada |
Late Oxfordian |
Late Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta elamii
|
Israel |
Late Triassic |
|
Gonyaulacysta |
Gonyaulacysta exsanguia
|
England |
Hauterivian |
Barremian |
Gonyaulacysta |
Gonyaulacysta fastigiata
|
England |
Hauterivian |
Barremian |