Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium antarcticum
|
Antarctica |
Early Cambrian |
|
Schizosporis |
Schizosporis cooksoniae
|
Argentina(Mendoza) |
Late Jurassic |
Early Cretaceous |
Schizosporis |
Schizosporis jainii
sp. nov. |
Argentina(Mendoza) |
Middle Triassic |
|
Dactylofusa |
Dactylofusa arenacea
|
Argentina(San Juan) |
Ludlovian |
|
Dactylofusa |
Dactylofusa tenuistriata
|
Argentina(San Juan) |
Wenlockian |
|
Eupoikilofusa |
Eupoikilofusa arenacea
|
Argentina(San Juan) |
Ludlovian |
|
Leiofusa |
Leiofusa tenuistriata
|
Argentina(San Juan) |
Wenlockian |
|
Deunffia |
Deunffia copoana
|
Argentina(Santiago) |
Ludlovian |
|
Downiea |
Downiea copoana
|
Argentina(Santiago) |
Ludlovian |
|
Lophosphaeridium |
Lophosphaeridium magnum
|
Argentina(Santiago) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium poetheae
sp. nov. |
Argentina(Santiago) |
Ludlovian |
|
Micrhystridium |
Micrhystridium argentinum
sp. nov. |
Argentina(Santiago) |
Ludlovian |
|
Polygonium |
Polygonium gracile
|
Argentina(Santiago) |
Ludlovian |
|
Cymatiosphaera |
Cymatiosphaera cristata
|
Atlantic Coast Offshore |
Late Hauterivian |
|
Cymatiosphaera |
Cymatiosphaera habibii
sp. nov. |
Atlantic Coast Offshore |
Late Hauterivian |
|
Cymatiosphaera |
Cymatiosphaera rotunda
|
Atlantic Coast Offshore |
Early Barremian |
|
Cymatiosphaeropsis |
Cymatiosphaeropsis rotundus
|
Atlantic Coast Offshore |
Early Barremian |
|