Micrhystridium |
Micrhystridium breve
|
Canada(British Columbia) |
Early Triassic |
|
Micrhystridium |
Micrhystridium breviacanthum
|
Czechoslovakia |
Middle Cambrian |
|
Micrhystridium |
Micrhystridium breviciliatum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium brevicomatum
|
Nd |
Ypresian |
|
Micrhystridium |
Micrhystridium brevicornum
|
USSR(Lithuanian SSR) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium breviradiatum
|
USSR(Ukrainian SSR) |
Early Gothlandian |
|
Micrhystridium |
Micrhystridium brevispinosum
|
USSR(Estonian SSR) |
Ordovician |
|
Micrhystridium |
Micrhystridium bulbiferum
|
France(Herault) |
Silurian |
|
Micrhystridium |
Micrhystridium bullosum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium campoae
|
Belgium |
Early Carboniferous |
|
Micrhystridium |
Micrhystridium camptum
|
Ohio |
Late Devonian |
|
Micrhystridium |
Micrhystridium canningia
|
Australia(W.Australia) |
Ordovician |
|
Micrhystridium |
Micrhystridium capillatum
|
USSR |
Middle Cambrian |
Late Cambrian |
Micrhystridium |
Micrhystridium castaneoideum
|
Belgium |
Early Famennian |
|
Micrhystridium |
Micrhystridium castaninum
|
France(Poitou) |
Middle Jurassic |
|
Micrhystridium |
Micrhystridium cernuum
|
Australia(W.Australia) |
Early Ordovician |
Middle Ordovician |
Micrhystridium |
Micrhystridium certum
|
USSR(Siberia) |
Late Precambrian |
Early Cambrian |