Baltisphaeridium |
Baltisphaeridium cerinum
|
Romania |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium compressum
|
Romania |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium ornatum
|
Romania |
Early Cambrian |
|
Cymatiosphaera |
Cymatiosphaera favosa
|
Romania |
Early Cambrian |
|
Kildinella |
Kildinella hyperboreica
|
Romania |
Riphean |
|
Leiominuscula |
Leiominuscula minuta
|
Romania |
Riphean |
Vendian |
Micrhystridium |
Micrhystridium obscurum
|
Romania |
Cambrian |
|
Micrhystridium |
Micrhystridium pallidum
|
Romania |
Early Cambrian |
|
Ovulum |
Ovulum lanceolatum
|
Romania |
Cambrian |
|
Ovulum |
Ovulum saccatum
|
Romania |
Cambrian |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
Romania |
Riphean |
|
Protosphaeridium |
Protosphaeridium rigidulum
|
Romania |
Riphean |
Vendian |
Protosphaeridium |
Protosphaeridium tuberculiferum
|
Romania |
Riphean |
Early Cambrian |
Synsphaeridium |
Synsphaeridium switjasium
|
Romania |
Riphean |
Cambrian |