Meiourogonyaulax |
Meiourogonyaulax mitra
|
W.Germany(Baden) |
Middle Kimmeridgian |
|
Meiourogonyaulax |
Meiourogonyaulax planoseptata
|
England(Lincolnshire) |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax spongiosa
|
USSR(Franz Josef Land) |
Late Callovian |
|
Melitasphaeridium |
Melitasphaeridium choanophorum
|
Northern Hemisphere |
Aquitanian |
Pleistocene |
Melitasphaeridium |
Melitasphaeridium pseudorecurvatum
|
Northern Hemisphere |
Ypresian |
Priabonian |
Membranophoridium |
Membranophoridium aspinatum
|
Northern Hemisphere |
Rupelian |
Aquitanian |
Microdinium |
Microdinium sp
|
Northern Hemisphere |
Late Albian |
Thanetian |
Moesiodinium |
Moesiodinium raileanui
|
Northern Hemisphere |
Late Toarcian |
Aalenian |
Muderongia |
Muderongia simplex
|
Northern Hemisphere |
Portlandian |
Hauterivian |
Muderongia |
Muderongia tetracantha
|
Northern Hemisphere |
Valanginian |
Aptian |
Muratodinium |
Muratodinium fimbriatum
|
Northern Hemisphere |
Ypresian |
Lutetian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Northern Hemisphere |
Pliensbachian |
Bathonian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Northern Hemisphere |
Bathonian |
Oxfordian |
Nannoceratopsis |
Nannoceratopsis senex
|
Northern Hemisphere |
Late Pliensbachian |
Early Aalenian |
Nannoceratopsis |
Nannoceratopsis triceras
|
Northern Hemisphere |
Late Pliensbachian |
Callovian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
Northern Hemisphere |
Valanginian |
Hauterivian |
Nematosphaeropsis |
Nematosphaeropsis lemniscata
|
Northern Hemisphere |
Rupelian |
Pleistocene |