Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ellipsoideum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium simplex
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium impalpabile
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium imperfectum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium sp
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium tener
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pungens
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium porrectum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium operculatum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium minor
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium angulosum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium resistens
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium semireticulatum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium laxum
|
USSR(Russian Platform) |
Tremadocian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium tribulosum
|
USSR(Russian Platform) |
Tremadocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium annulatum
|
USSR(Russian Platform) |
Tremadocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium hippocrepicum
|
USSR(Russian Platform) |
Tremadocian |
|