Metaleiofusa |
Metaleiofusa arcuata
|
USSR(Siberia) |
Early Toarcian |
|
Micrhystridium |
Micrhystridium
|
USSR(Siberia) |
Toarcian |
Callovian |
Microlepidites |
Microlepidites crassirimosus
|
USSR(Siberia) |
Bajocian |
Early Callovian |
Monolites |
Monolites couperi
|
USSR(Siberia) |
Bajocian |
|
Monolites |
Monolites couperi
|
USSR(Siberia) |
Early Callovian |
|
Monosulcites |
Monosulcites dilucidus
|
USSR(Siberia) |
Hettangian |
Pliensbachian |
Nannoceratopsis |
Nannoceratopsis
|
USSR(Siberia) |
Late Pliensbachian |
Early Aalenian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
USSR(Siberia) |
Early Toarcian |
|
Nannoceratopsis |
Nannoceratopsis gracilis
|
USSR(Siberia) |
Toarcian |
Early Callovian |
Neochomotriletes |
Neochomotriletes triangularis
|
USSR(Siberia) |
Middle Liassic |
|
Neoraistrickia |
Neoraistrickia bacculifera
|
USSR(Siberia) |
Bathonian |
Callovian |
Neoraistrickia |
Neoraistrickia gristhorpensis
|
USSR(Siberia) |
Early Bathonian |
|
Neoraistrickia |
Neoraistrickia gristhorpensis
|
USSR(Siberia) |
Bajocian |
Early Bathonian |
Neoraistrickia |
Neoraistrickia longibaculata
|
USSR(Siberia) |
Late Bathonian |
|
Neoraistrickia |
Neoraistrickia rotundiforma
|
USSR(Siberia) |
Bathonian |
Callovian |
Neoraistrickia |
Neoraistrickia rotundiforma
|
USSR(Siberia) |
Bajocian |
Early Bathonian |
Neoraistrickia |
Neoraistrickia samuelssoni
|
USSR(Siberia) |
Bajocian |
Early Bathonian |