Gonyaulacysta |
Gonyaulacysta parorthoceras
|
Nd |
Middle Kimmeridgian |
Late Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta perforans
|
Nd |
Middle Kimmeridgian |
Portlandian |
Gonyaulacysta |
Gonyaulacysta sarjeantii
|
Nd |
Late Kimmeridgian |
Portlandian |
Gonyaulacysta |
Gonyaulacysta scarburghensis
|
Nd |
Late Callovian |
Middle Oxfordian |
Gonyaulacysta |
Gonyaulacysta serrata
|
Nd |
Nd |
|
Gonyaulacysta |
Gonyaulacysta setcheyensis
|
Nd |
Early Kimmeridgian |
Portlandian |
Gonyaulacysta |
Gonyaulacysta sp.B Gitm.& Sarj.,1972
sp. nov. |
Nd |
Middle Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.C
sp. nov. |
Nd |
Middle Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.D
sp. nov. |
Nd |
Late Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.E
sp. nov. |
Nd |
Middle Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.F Gitm.& Sarj.,1972
sp. nov. |
Nd |
Late Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.G Gitm.& Sarj.,1972
sp. nov. |
Nd |
Late Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta sp.H
sp. nov. |
Nd |
Late Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta systremmata
|
Nd |
Early Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta whatleyi
|
Nd |
Middle Bathonian |
Middle Callovian |
Gonyaulacysta |
Gonyaulacysta whitei
|
Nd |
Early Cretaceous |
|
Gorkadinium |
Gorkadinium rarum
|
Nd |
Nd |
|