Baltisphaeridium |
Baltisphaeridium hirsutum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium hirsutum
|
Nd |
Danian |
|
Baltisphaeridium |
Baltisphaeridium hirsutum
|
Nd |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium hirsutum
|
Nd |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium hirsutum
|
Nd |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium horridum
|
Nd |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium huecospinosum
|
Nd |
Emsian |
|
Baltisphaeridium |
Baltisphaeridium huguoniotii
|
Nd |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium hydraferum
|
Nd |
Frasnian |
|
Baltisphaeridium |
Baltisphaeridium hymenoferum
|
Nd |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium hystrichoreticulatum
|
Nd |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium iaculigerum
|
Nd |
Middle Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium ianischewskyi
|
Nd |
Early Cambrian |
Middle Cambrian |
Baltisphaeridium |
Baltisphaeridium ianischewskyi
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium illinoii
|
Nd |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium imperfectum
|
Nd |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium implicatum
|
Nd |
Early Cambrian |
|