Ovum |
Ovum solidum
|
Nd |
Silurian |
|
Ozotobrachion |
Ozotobrachion
|
Nd |
Nd |
|
Ozotobrachion |
Ozotobrachion cylindros
|
Nd |
Early Ludlovian |
|
Ozotobrachion |
Ozotobrachion dactylos
|
Nd |
Late Gedinnian |
|
Ozotobrachion |
Ozotobrachion dicrus
|
Nd |
Late Gedinnian |
|
Ozotobrachion |
Ozotobrachion furcillatus
|
Nd |
Middle Devonian |
|
Ozotobrachion |
Ozotobrachion microdactylos
|
Nd |
Early Gedinnian |
|
Ozotobrachion |
Ozotobrachion palidodigitatus
|
Nd |
Gedinnian |
Emsian |
Ozotobrachion |
Ozotobrachion podolicus
|
Nd |
Early Ludlovian |
|
Ozotobrachion |
Ozotobrachion pulvinus
|
Nd |
Late Gedinnian |
|
Ozotobrachion |
Ozotobrachion triangular
|
Nd |
Early Ludlovian |
|
Pachysphaeridium |
Pachysphaeridium
|
Nd |
Nd |
|
Pachysphaeridium |
Pachysphaeridium pachyacanthum
|
Nd |
Early Caradocian |
|
Pachysphaeridium |
Pachysphaeridium robustum
|
USSR(Estonian SSR) |
Early Caradocian |
|
Palacanthus |
Palacanthus
|
Nd |
Nd |
|
Palacanthus |
Palacanthus acutus
|
Nd |
Late Devonian |
|
Palacanthus |
Palacanthus ledanoisii
|
Nd |
Devonian |
|