Micrhystridium |
Micrhystridium venustum
|
France |
Late Devonian |
|
Micrhystridium |
Micrhystridium verber
|
Indiana |
Late Ordovician |
|
Micrhystridium |
Micrhystridium vigintispinum
|
Canada(Alberta) |
Late Devonian |
|
Micrhystridium |
Micrhystridium villosum
|
USSR(Ukrainian SSR) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium vulgare
|
Belgium |
Late Devonian |
|
Micrhystridium |
Micrhystridium wattonense
|
England |
Early Jurassic |
|
Micrhystridium |
Micrhystridium wenlockense
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium wepionense
|
Belgium |
Devonian |
|
Micrhystridium |
Micrhystridium westphalienum
|
Belgium |
Late Carboniferous |
|
Micrhystridium |
Micrhystridium wicanderi
|
Iowa |
Late Devonian |
|
Micrhystridium |
Micrhystridium williereae
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium yonilense
|
South Korea |
Miocene |
|
Micrhystridium |
Micrhystridium zalesskyi
|
USSR |
Late Cambrian |
Early Ordovician |
Micrhystridium |
Micrhystridium zhuravlevae
|
USSR(Kazakh SSR) |
Middle Cambrian |
|
Microbaculidinium |
Microbaculidinium
|
Atlantic Coast Offshore |
Late Jurassic |
Cenomanian |
Microbaculidinium |
Microbaculidinium aster
|
North America |
Early Cretaceous |
Middle Cretaceous |
Microbaculidinium |
Microbaculidinium aster
|
Atlantic Coast Offshore |
Hauterivian |
Early Albian |