Baltisphaeridium |
Baltisphaeridium principalis
|
China(Yunnan) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium psilatum
|
China(Yunnan) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium septangulatum
|
China(Yunnan) |
Late Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium striatotheca
|
China(Yunnan) |
Middle Ordovician |
|
Buedingiisphaeridium |
Buedingiisphaeridium tremadocum
|
China(Yunnan) |
Late Tremadocian |
|
Comasphaeridium |
Comasphaeridium
|
China(Yunnan) |
Middle Ordovician |
|
Cymatiogalea |
Cymatiogalea
|
China(Yunnan) |
Arenigian |
|
Dasydiacrodium |
Dasydiacrodium pirea
|
China(Yunnan) |
Arenigian |
|
Dasydiacrodium |
Dasydiacrodium polygonnium
|
China(Yunnan) |
Arenigian |
|
Favososphaeridium |
Favososphaeridium
|
China(Yunnan) |
Middle Ordovician |
|
Frankea |
Frankea
|
China(Yunnan) |
Middle Ordovician |
|
Leiopsophosphaera |
Leiopsophosphaera
|
China(Yunnan) |
Middle Ordovician |
|
Micrhystridium |
Micrhystridium
|
China(Yunnan) |
Late Tremadocian |
|
Multiplicisphaeridium |
Multiplicisphaeridium multiradiale
|
China(Yunnan) |
Arenigian |
|
Nucellosphaeridium |
Nucellosphaeridium
|
China(Yunnan) |
Middle Ordovician |
|
Polygonium |
Polygonium
|
China(Yunnan) |
Late Tremadocian |
|
Striatotheca |
Striatotheca
|
China(Yunnan) |
Arenigian |
|