Chytroeisphaeridia |
Chytroeisphaeridia cerastes
|
Europe |
Callovian |
Middle Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Northern Hemisphere |
Callovian |
Kimmeridgian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Gondwanaland |
Callovian |
Kimmeridgian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
Europe |
Callovian |
Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia granulata
|
Northern Hemisphere |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia granulata
|
Gondwanaland |
Callovian |
Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia granulata
|
Europe |
Middle Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
Northern Hemisphere |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
Gondwanaland |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
Europe |
Callovian |
Early Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia mantellii
|
Northern Hemisphere |
Callovian |
Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia mantellii
|
Gondwanaland |
Late Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia mantellii
|
Europe |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia rugosa
|
Northern Hemisphere |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia rugosa
|
Gondwanaland |
Late Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia rugosa
|
Europe |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
Northern Hemisphere |
Oxfordian |
|