Rhaetogonyaulax |
Rhaetogonyaulax wigginsii
|
Nd |
Nd |
|
Rhombodella |
Rhombodella paucispina
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium coronatum
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium draco
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium longimanum
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium perforatum
|
Nd |
Nd |
|
Rhombodinium |
Rhombodinium porosum
|
Nd |
Nd |
|
Rhynchodiniopsis |
Rhynchodiniopsis aptiana
|
Nd |
Nd |
|
Rhynchodiniopsis |
Rhynchodiniopsis cladophora
|
England |
Callovian |
Early Kimmeridgian |
Rhynchodiniopsis |
Rhynchodiniopsis cladophora
|
France |
Callovian |
Early Kimmeridgian |
Rhynchodiniopsis |
Rhynchodiniopsis regalis
|
England |
Late Bajocian |
Bathonian |
Rhynchodiniopsis |
Rhynchodiniopsis regalis
|
France |
Late Bajocian |
Bathonian |
Rhynchodiniopsis |
Rhynchodiniopsis serrata
|
Australasia |
Tithonian |
Berriasian |
Rigaudella |
Rigaudella
|
Nd |
Nd |
|
Rigaudella |
Rigaudella aemula
|
Pakistan |
Late Jurassic |
|
Rigaudella |
Rigaudella aemula
|
France |
Callovian |
Oxfordian |