Ascodinium |
Ascodinium ovale
|
Australia(W.Australia) |
Middle Cretaceous |
|
Ascostomocystis |
Ascostomocystis hydria
|
Alabama |
Early Eocene |
|
Asketopalla |
Asketopalla formosula
|
Oklahoma |
Middle Ordovician |
|
Axisphaeridium |
Axisphaeridium sp
|
Indiana |
Late Ordovician |
|
Baiomeniscus |
Baiomeniscus camurus
|
New York |
Middle Gothlandian |
|
Baltisphaeridium |
Baltisphaeridium accinctum
|
Oklahoma |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium perclarum
|
Oklahoma |
Late Ordovician |
|
Batiacasphaera |
Batiacasphaera compta
|
Alabama |
Late Eocene |
|
Belodinium |
Belodinium dysculum
|
England |
Late Jurassic |
|
Botryococcus |
Botryococcus sp
|
Indiana |
Silurian |
|
Broomea |
Broomea ramosa
|
Australia(W.Australia) |
Jurassic |
|
Calciodinellum |
Calciodinellum operosum
|
Nd |
Nd |
|
Calicipedinium |
Calicipedinium quadripes
|
Nd |
Nd |
|
Caligodinium |
Caligodinium amiculum
|
Alabama |
Paleocene |
|
Caligodinium |
Caligodinium amiculum
|
Alabama |
Paleocene |
|
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
France |
Late Cretaceous |
|
Canningia |
Canningia attadalica
|
Nd |
Nd |
|