Hystrichosphaeridium |
Hystrichosphaeridium sp
sp. nov. |
USSR(Siberia) |
Callovian |
Valanginian |
Tasmanites |
Tasmanites sp
sp. nov. |
USSR(Siberia) |
Callovian |
Valanginian |
Fromea |
Fromea torosa
|
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea crassisoma
|
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea macroplicata
|
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea sp
sp. nov. |
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea rugosa
|
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea callia
|
USSR(Siberia) |
Callovian |
|
Pareodinia |
Pareodinia sp
sp. nov. |
USSR(Siberia) |
Callovian |
|
Gonyaulax |
Gonyaulax jurassica
|
USSR(Siberia) |
Callovian |
|
Gonyaulax |
Gonyaulax sp
sp. nov. |
USSR(Siberia) |
Callovian |
|
Gonyaulax |
Gonyaulax eisenackii
|
USSR(Siberia) |
Callovian |
|
Fromea |
Fromea amphora
sp. nov. |
USSR(Siberia) |
Callovian |
Kimmeridgian |
Pareodinia |
Pareodinia crassisoma
|
USSR(Siberia) |
Callovian |
Kimmeridgian |
Pareodinia |
Pareodinia ceratophora
|
USSR(Siberia) |
Callovian |
Kimmeridgian |
Hexagonifera |
Hexagonifera suspecta
|
USSR(Siberia) |
Callovian |
Kimmeridgian |
Pterospermopsis |
Pterospermopsis australiensis
|
USSR(Siberia) |
Oxfordian |
Valanginian |