Bicoloria |
Bicoloria gothanii
|
Nd |
Nd |
|
Bicoloria |
Bicoloria subrotunda
|
Germany |
Westphalian D |
|
Bothroligotriletes |
Bothroligotriletes
|
Nd |
Nd |
|
Bracteolina |
Bracteolina
|
Nd |
Nd |
|
Bracteolinasporites |
Bracteolinasporites
|
Nd |
Nd |
|
Bracteolinasporites |
Bracteolinasporites clavatus
|
Sweden |
Rhaetian |
|
Brevaxones |
Brevaxones
|
Nd |
Nd |
|
Bulbella |
Bulbella
|
Nd |
Nd |
|
Bullatomonoleti |
Bullatomonoleti
|
Nd |
Nd |
|
Bullulina |
Bullulina
|
Nd |
Nd |
|
Cadyexinis |
Cadyexinis
|
Nd |
Nd |
|
Cadyexinis |
Cadyexinis vulgaris
|
W.Germany(N.Rhine) |
Westphalian C |
|
Calamospora |
Calamospora
|
Nd |
Nd |
|
Calamospora |
Calamospora microrugosa
|
W.Germany(N.Rhine) |
Late Westphalian A |
|
Calcicarpinum |
Calcicarpinum
|
France(Seine-et-Oise) |
Lutetian |
|
Calcicarpinum |
Calcicarpinum tetraedricum
|
Nd |
Lutetian |
|
Caliendrina |
Caliendrina
|
Nd |
Nd |
|