Genus Downiesphaeridium
- Species total:
- 11
- Age range:
- 161.2 - 40.25 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Downiesphaeridium | Aptian | Maestrichtian |
|
Downiesphaeridium aciculare | Late Hauterivian | Early Campanian |
|
Downiesphaeridium armatum | Cenomanian | Early Campanian |
|
Downiesphaeridium bergmannii | Late Danian | Late Danian |
|
Downiesphaeridium bulbum | Eocene | Eocene |
|
Downiesphaeridium flexuosum | Vraconian | Vraconian |
|
Downiesphaeridium iaculigerum | Middle Kimmeridgian | Middle Kimmeridgian |
|
Downiesphaeridium multispinosum | Early Albian | Late Coniacian |
|
Downiesphaeridium polyacanthum | Late Callovian | Early Ryazanian |
|
Downiesphaeridium sp | Late Hauterivian | Early Maestrichtian |
|
Downiesphaeridium spinulastrum | Aptian | Middle Eocene |
|