Chiropteridium |
Chiropteridium lobospinosum
|
Nd |
Nd |
|
Chiropteridium |
Chiropteridium partispinatum
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella ectotabulata
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella nyei
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia cerastes
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia pericompsa
|
Nd |
Nd |
|
Circulodinium |
Circulodinium
|
Nd |
Nd |
|
Circulodinium |
Circulodinium brevispinosum
|
England |
Late Kimmeridgian |
Portlandian |
Circulodinium |
Circulodinium distinctum
|
England |
Late Kimmeridgian |
Portlandian |
Circulodinium |
Circulodinium distinctum
|
France |
Late Kimmeridgian |
Cenomanian |
Cirrusphaera |
Cirrusphaera dissimilis
|
Nd |
Nd |
|
Cladopyxidium |
Cladopyxidium saeptum
|
England |
Late Maestrichtian |
|
Clavaticystis |
Clavaticystis bulbis
|
Nd |
Nd |
|
Clavaticystis |
Clavaticystis schopfi
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium varispinosum
|
England |
Late Bathonian |
Early Callovian |