Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium arenigum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium bifurcatum
|
USSR(Pre-Baltic) |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium bohemicum
|
Czechoslovakia |
Algonkian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium capillatum
|
USSR(Pre-Baltic) |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cellulare
|
USSR(Pre-Baltic) |
Early Cambrian |
Middle Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cinctum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium complicatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium complicatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium contortuplicatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium coroniforme
|
USSR(Pre-Baltic) |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium crispatum
|
USSR(Pre-Baltic) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cuneidentatum
|
USSR(Pre-Baltic) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium curvativum
|
USSR(Pre-Baltic) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cuspidatum
|
USSR(Pre-Baltic) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium czarnockii
|
Poland |
Caradocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium dasyacanthum
|
USSR(Pre-Baltic) |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium deflandrei
|
Nd |
Emsian |
|