Spinidinium |
Spinidinium ovale
|
USSR(Omskaya Oblast) |
Eocene |
|
Tubotuberella |
Tubotuberella dentata
|
Europe |
Middle Callovian |
Late Callovian |
Tubotuberella |
Tubotuberella rhombiformis
|
Nd |
Nd |
|
Tubotuberella |
Tubotuberella rhombiformis
|
USSR(Moscow) |
Late Jurassic |
|
Tubotuberella |
Tubotuberella sphaerocephalum
|
USSR(Moscow) |
Late Jurassic |
|
Tubotuberella |
Tubotuberella sphaerocephalum
|
Nd |
Nd |
|
Uvatodinium |
Uvatodinium
|
USSR(Tobolsk District) |
Paleocene |
|
Uvatodinium |
Uvatodinium marginatum
|
Nd |
Nd |
|
Uvatodinium |
Uvatodinium nasutum
|
USSR(Tobolsk District) |
Paleocene |
|
Wetzeliella |
Wetzeliella articulata
|
Nd |
Nd |
|
Wetzeliella |
Wetzeliella articulata
|
USSR(Tomskaya Oblast) |
Late Eocene |
|
Wetzeliella |
Wetzeliella coronata
|
USSR(Tomskaya Oblast) |
Late Eocene |
|
Wetzeliella |
Wetzeliella coronata
|
Nd |
Nd |
|
Wetzeliella |
Wetzeliella echinulata
|
Nd |
Nd |
|
Wetzeliella |
Wetzeliella echinulata
|
Nd |
Nd |
|
Wetzeliella |
Wetzeliella pentagona
|
Nd |
Nd |
|
Xenascus |
Xenascus perforatus
|
Nd |
Nd |
|