Ischyosporites |
Ischyosporites crateris
|
France(Jura) |
Oxfordian |
Portlandian |
Ischyosporites |
Ischyosporites pseudoreticulatus
|
France(Jura) |
Oxfordian |
|
Ischyosporites |
Ischyosporites scaberis
|
France(Jura) |
Oxfordian |
|
Ischyosporites |
Ischyosporites variegatus
|
France(Jura) |
Oxfordian |
Portlandian |
Lanterna |
Lanterna
|
France(Jura) |
Kimmeridgian |
Portlandian |
Lanterna |
Lanterna bulgarica
|
France(Jura) |
Kimmeridgian |
Portlandian |
Lanterna |
Lanterna emitecta
|
France(Jura) |
Oxfordian |
Portlandian |
Lanterna |
Lanterna emitecta
sp. nov. |
France(Jura) |
Portlandian |
|
Lanterna |
Lanterna saturnalis
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Middle Kimmeridgian |
Lanterna |
Lanterna saturnalis
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Middle Kimmeridgian |
Lanterna |
Lanterna spinosa
|
France(Jura) |
Portlandian |
|
Lanterna |
Lanterna spinosa
|
France(Jura) |
Portlandian |
|
Lanterna |
Lanterna spinosa
|
Bulgaria |
Tithonian |
|
Lanterna |
Lanterna spinosa
|
Bulgaria |
Tithonian |
|
Lanterna |
Lanterna sportula
|
France(Jura) |
Portlandian |
|
Leiosphaeridia |
Leiosphaeridia granulosa
|
France(Jura) |
Oxfordian |
Kimmeridgian |
Leiosphaeridia |
Leiosphaeridia nidusiforma
|
France(Jura) |
Oxfordian |
|