Alaskadinium |
Alaskadinium wigginsii
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella trabeculosa
|
Nd |
Nd |
|
Gardodinium |
Gardodinium
|
E.Germany |
Early Hauterivian |
Aptian |
Gardodinium |
Gardodinium albertii
|
Nd |
Nd |
|
Gardodinium |
Gardodinium eisenackii
|
Nd |
Nd |
|
Gardodinium |
Gardodinium pyriforme
|
Nd |
Nd |
|
Gardodinium |
Gardodinium trabeculosum
|
W.Germany(Niedersachsen) |
Late Hauterivian |
|
Gardodinium |
Gardodinium trabeculosum
|
England(Norfolk) |
Hauterivian |
|
Gonyaulacysta |
Gonyaulacysta kostromiensis
|
Nd |
Nd |
|
Nelchinopsis |
Nelchinopsis
|
USSR(Kostroma) |
Valanginian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
England(Norfolk) |
Hauterivian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Valanginian |
Early Hauterivian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
W.Germany(Niedersachsen) |
Late Hauterivian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
USSR(Russia) |
Valanginian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
Canada(NWT,Mackenzie) |
Valanginian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
USA(Gulf of Mexico) |
Hauterivian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
Greenland |
Late Barremian |
|