Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium dentatum
|
Nd |
Late Cambrian |
Early Ordovician |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium denticulatum
|
Nd |
Sinian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium diadromum
|
Nd |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium diploporum
|
Nd |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium divaricans
|
Nd |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium dorofeevii
|
Nd |
Early Cambrian |
Middle Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium duplicativum
|
Nd |
Middle Cambrian |
Early Ordovician |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ellipsoideum
|
Nd |
Early Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium extremum
|
Nd |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium flexile
|
Nd |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium furcatum
|
Nd |
Nd |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium genuinum
|
Nd |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium girofleum
|
Nd |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium gladkovae
|
Nd |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium glebosum
|
Nd |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ianischewskyi
|
Nd |
Early Cambrian |
Middle Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ianischewskyi
|
Nd |
Nd |
|