Necrobroomea |
Necrobroomea jaegeri
|
E.Germany |
Late Barremian |
|
Necrobroomea |
Necrobroomea longicornuta
|
E.Germany |
Hauterivian |
Late Barremian |
Necrobroomea |
Necrobroomea micropoda
|
Australia(S.Australia) |
Albian |
|
Necrobroomea |
Necrobroomea simplex
|
New Guinea(Papua) |
Late Jurassic |
|
Necrobroomea |
Necrobroomea tricornoides
|
E.Germany |
Hauterivian |
|
Netrelytron |
Netrelytron
|
Nd |
Nd |
|
Netrelytron |
Netrelytron par
|
Nd |
Nd |
|
Netrelytron |
Netrelytron stegastum
|
Alaska |
Late Jurassic |
|
Netrelytron |
Netrelytron stegastum
|
England(Yorkshire) |
Oxfordian |
|
Netrelytron |
Netrelytron trinetrum
|
England(Yorkshire) |
Middle Barremian |
|
Palaeohystrichophora |
Palaeohystrichophora spinosissima
|
Nd |
Nd |
|
Palaeoperidinium |
Palaeoperidinium nudum
|
Nd |
Nd |
|
Palaeoperidinium |
Palaeoperidinium spinosissimum
|
France(Calvados) |
Early Oxfordian |
|
Paranetrelytron |
Paranetrelytron
|
Nd |
Nd |
|
Paranetrelytron |
Paranetrelytron strongylum
|
Nd |
Nd |
|
Pareodinia |
Pareodinia
|
Baltic |
Late Callovian |
|
Pareodinia |
Pareodinia alaskensis
sp. nov. |
Alaska |
Callovian |
Middle Kimmeridgian |