Micrhystridium |
Micrhystridium multiangulare
|
USSR(European) |
Tremadocian |
|
Micrhystridium |
Micrhystridium stellatum
|
USSR(European) |
Tremadocian |
|
Leiofusa |
Leiofusa simplex
|
USSR(European) |
Tremadocian |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(European) |
Tremadocian |
|
Leiopsophosphaera |
Leiopsophosphaera rugosa
|
USSR(European) |
Tremadocian |
|
Lophosphaeridium |
Lophosphaeridium zaleskyi
|
USSR(European) |
Tremadocian |
|
Leiopsophosphaera |
Leiopsophosphaera simplicissima
|
USSR(European) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium adelphicum
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Acanthodiacrodium |
Acanthodiacrodium polimorphum
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Lophodiacrodium |
Lophodiacrodium parvimammum
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Micrhystridium |
Micrhystridium vulgare
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Baltisphaeridium |
Baltisphaeridium echinatum
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Latoporata |
Latoporata decora
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Latoporata |
Latoporata punctata
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Uniporata |
Uniporata stylifera
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Baltisphaeridium |
Baltisphaeridium pedicellatum
|
USSR(European) |
Late Tremadocian |
Early Arenigian |
Micrhystridium |
Micrhystridium sp
|
USSR(European) |
Late Tremadocian |
Early Arenigian |