Nannoceratopsis |
Nannoceratopsis pellucida
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Pareodinia |
Pareodinia ceratophora
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Gonyaulax |
Gonyaulax jurassica
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Scriniodinium |
Scriniodinium luridum
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Hystrichosphaeraceae |
Hystrichosphaeraceae
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Micrhystridium |
Micrhystridium stellatum
|
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 echinoides
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Pterospermopsis |
Pterospermopsis helios
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Veryhachium |
Veryhachium sp
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Cymatiosphaera |
Cymatiosphaera sp
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Botryococcus |
Botryococcus
|
USSR(Arkhangelsk Oblast) |
Early Callovian |
Late Jurassic |
Nannoceratopsis |
Nannoceratopsis gracilis
|
USSR(European) |
Domerian |
Toarcian |
Gonyaulax |
Gonyaulax sp
|
USSR(European) |
Late Jurassic |
|
Apteodinium |
Apteodinium sp
|
USSR(European) |
Late Jurassic |
|