Trichodinium |
Trichodinium speetonense
|
England |
Barremian |
|
Trichodinium |
Trichodinium spinosum
|
Canada |
Early Albian |
|
Tubotuberella |
Tubotuberella apatela
|
Australia |
Oxfordian |
|
Tubotuberella |
Tubotuberella dangeardii
|
Nd |
Nd |
|
Tubotuberella |
Tubotuberella dangeardii
|
France |
Oxfordian |
|
Tubotuberella |
Tubotuberella dangeardii
|
England(Lincolnshire) |
Bathonian |
|
Tubotuberella |
Tubotuberella dangeardii
|
England(Lincolnshire) |
Bathonian |
Bathonian |
Tubotuberella |
Tubotuberella dangeardii
|
Nd |
Nd |
Nd |
Tubotuberella |
Tubotuberella dentata
|
Scotland |
Late Jurassic |
|
Tubotuberella |
Tubotuberella egemenii
|
England(Dorset) |
Early Kimmeridgian |
|
Tubotuberella |
Tubotuberella eisenackii
|
France |
Oxfordian |
|
Tubotuberella |
Tubotuberella eisenackii
|
Australia |
Late Jurassic |
|
Tubotuberella |
Tubotuberella eisenackii
|
Australia |
Late Jurassic |
Late Jurassic |
Tubotuberella |
Tubotuberella rhombiformis
|
USSR |
Early Jurassic |
|
Tubotuberella |
Tubotuberella sphaerocephalum
|
USSR(Moscow) |
Late Jurassic |
|
Tubotuberella |
Tubotuberella uncinata
|
Canada |
Barremian |
|
Tubotuberella |
Tubotuberella vozzhennikovae
|
England(Yorkshire) |
Early Oxfordian |
|