Membranilarnacia |
Membranilarnacia pterospermoides
|
Nd |
Coniacian |
Maastrichtian |
Microdinium |
Microdinium alatum
|
Nd |
Maastrichtian |
|
Microdinium |
Microdinium crinitum
|
Nd |
Late Albian |
Cenomanian |
Microdinium |
Microdinium distinctum
|
Nd |
Late Cenomanian |
|
Microdinium |
Microdinium ellipsoideum
|
Nd |
Coniacian |
Campanian |
Microdinium |
Microdinium ornatum
|
Nd |
Albian |
|
Microdinium |
Microdinium setosum
|
Nd |
Early Cenomanian |
|
Microdinium |
Microdinium variospinum
|
Nd |
Cenomanian |
|
Microdinium |
Microdinium veligerum
|
Nd |
Cenomanian |
Campanian |
Muderongia |
Muderongia crucis
|
Nd |
Nd |
|
Muderongia |
Muderongia mcwhaei
|
Nd |
Valanginian |
Aptian |
Muderongia |
Muderongia simplex
|
Nd |
Valanginian |
Early Barremian |
Muderongia |
Muderongia staurota
|
Nd |
Early Barremian |
|
Muderongia |
Muderongia tetracantha
|
Nd |
Valanginian |
Early Barremian |
Muderongia |
Muderongia tomaszowensis
|
Nd |
Valanginian |
|
Muiriella |
Muiriella plioplax
|
Nd |
Holocene |
|
Nannoceratopsiella |
Nannoceratopsiella permiana
|
Nd |
Permian |
|