Batiacasphaera |
Batiacasphaera dictydia
|
Greenland |
Jurassic |
|
Batiacasphaera |
Batiacasphaera euteiches
|
France |
Cenomanian |
|
Batiacasphaera |
Batiacasphaera reticulata
|
South Africa |
Campanian |
Danian |
Batiacasphaera |
Batiacasphaera sp
|
Denmark |
Late Ryazanian |
Early Valanginian |
Chytroeisphaeridia |
Chytroeisphaeridia
|
England(Yorkshire) |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia baetica
|
Spain |
Late Cretaceous |
|
Chytroeisphaeridia |
Chytroeisphaeridia cerastes
sp. nov. |
Scotland(Inverness) |
Early Oxfordian |
Middle Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
England |
Late Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia dictydia
|
Greenland |
Jurassic |
|
Chytroeisphaeridia |
Chytroeisphaeridia euteiches
|
France |
Cenomanian |
|
Chytroeisphaeridia |
Chytroeisphaeridia mantellii
|
England(Surrey) |
Late Kimmeridgian |
|
Chytroeisphaeridia |
Chytroeisphaeridia pericompsa
|
England(Dorset) |
Kimmeridgian |
|
Chytroeisphaeridia |
Chytroeisphaeridia pocockii
|
France(Calvados) |
Late Callovian |
|
Chytroeisphaeridia |
Chytroeisphaeridia reticulata
|
South Africa |
Campanian |
Danian |
Chytroeisphaeridia |
Chytroeisphaeridia scabrata
|
England(Dorset) |
Late Bajocian |
Early Bathonian |
Chytroeisphaeridia |
Chytroeisphaeridia sp.I Dave.,1979
sp. nov. |
Scotland |
Middle Callovian |
|
Chytroeisphaeridia |
Chytroeisphaeridia variabilis
|
Canada(W.Canada) |
Late Bajocian |
Kimmeridgian |