Gonyaulacysta |
Gonyaulacysta jurassica
|
Nd |
Late Bathonian |
Middle Hauterivian |
Gonyaulacysta |
Gonyaulacysta obesa
|
Canada(Alberta) |
Late Albian |
|
Gonyaulacysta |
Gonyaulacysta ordocava
|
Nd |
Nd |
|
Gonyaulacysta |
Gonyaulacysta palla
|
England(Yorkshire) |
Early Barremian |
|
Gonyaulacysta |
Gonyaulacysta perforans
|
New Guinea(Papua) |
Late Jurassic |
|
Gonyaulacysta |
Gonyaulacysta sarjeantii
|
USSR(Moscow) |
Late Jurassic |
|
Gonyaulacysta |
Gonyaulacysta setcheyensis
|
England |
Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta systremmata
|
France |
Early Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta vozzhennikovae
sp. nov. |
Nd |
Late Bathonian |
Middle Hauterivian |
Gonyaulacysta |
Gonyaulacysta whitei
|
England(Surrey) |
Cenomanian |
|
Gonyaulax |
Gonyaulax ambigua
|
France(Jura) |
Kimmeridgian |
|
Gonyaulax |
Gonyaulax confusa
|
USSR(Moscow) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax giuseppei
|
Nd |
Nd |
|
Gonyaulax |
Gonyaulax giuseppei
|
Nd |
Nd |
|
Gonyaulax |
Gonyaulax granuligera
|
Germany(Bavaria) |
Middle Oxfordian |
Early Kimmeridgian |
Gonyaulax |
Gonyaulax longicornis
|
England |
Late Kimmeridgian |
|
Gonyaulax |
Gonyaulax mamillifera
|
France(Jura) |
Kimmeridgian |
|