Alterbia |
Alterbia amphiata
|
Nd |
Nd |
|
Alterbia |
Alterbia bakeri
|
Nd |
Nd |
|
Alterbia |
Alterbia bicellula
|
England(Isle of Wight) |
Early Eocene |
Middle Eocene |
Alterbia |
Alterbia daveyi
|
England(Surrey) |
Albian |
Cenomanian |
Alterbia |
Alterbia earnleyensis
|
England(Isle of Wight) |
Early Eocene |
Middle Eocene |
Alterbia |
Alterbia minor
|
Australia(W.Australia) |
Senonian |
|
Alterbia |
Alterbia pellucida
|
Nd |
Nd |
|
Alterbidinium |
Alterbidinium
|
USSR(Semipalatinskaya) |
Turonian |
|
Alterbidinium |
Alterbidinium acutulum
|
Pacific Ocean |
Paleocene |
|
Alterbidinium |
Alterbidinium bicellulum
|
England(Isle of Wight) |
Early Eocene |
Middle Eocene |
Alterbidinium |
Alterbidinium daveyi
|
England(Surrey) |
Albian |
Cenomanian |
Alterbidinium |
Alterbidinium distinctum
|
Antarctica |
Paleocene |
Oligocene |
Alterbidinium |
Alterbidinium earnleyense
|
England(Isle of Wight) |
Early Eocene |
Middle Eocene |
Alterbidinium |
Alterbidinium minus
|
Australia(W.Australia) |
Senonian |
|
Alterbidinium |
Alterbidinium montanaense
|
Montana |
Early Campanian |
Maestrichtian |
Alterbidinium |
Alterbidinium pentaradiatum
|
Australia(Victoria) |
Paleocene |
|
Alterbidinium |
Alterbidinium pentaradiatum
|
Australia(Victoria) |
Paleocene |
|