Apteodinium |
Apteodinium sp
|
USSR(Siberia) |
Late Jurassic |
|
Apteodinium |
Apteodinium sp
|
USSR(European) |
Late Jurassic |
|
Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Botryococcus |
Botryococcus
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Cymatiosphaera |
Cymatiosphaera sp
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Eodinia |
Eodinia
|
USSR(Siberia) |
Late Jurassic |
|
Eodinia |
Eodinia
|
USSR(European) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax jurassica
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Gonyaulax |
Gonyaulax sp
|
USSR(Siberia) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax sp
|
USSR(European) |
Late Jurassic |
|
Hystrichosphaeraceae |
Hystrichosphaeraceae
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Micrhystridium |
Micrhystridium echinoides
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Micrhystridium |
Micrhystridium fragile
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Micrhystridium |
Micrhystridium inconspicuum
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Micrhystridium |
Micrhystridium stellatum
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Nannoceratopsis |
Nannoceratopsis gracilis
|
USSR(European) |
Domerian |
Toarcian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |