Micrhystridium |
Micrhystridium nannacanthum
|
England(Cornwall) |
Ordovician |
Devonian |
Lophosphaeridium |
Lophosphaeridium papillatum
|
England(Cornwall) |
Ordovician |
Devonian |
Veryhachium |
Veryhachium downiei
|
England(Cornwall) |
Ordovician |
Devonian |
Veryhachium |
Veryhachium lairdii
|
England(Cornwall) |
Ordovician |
Famennian |
Veryhachium |
Veryhachium minutum
|
England(Cornwall) |
Ordovician |
Famennian |
Veryhachium |
Veryhachium trispinosum
|
England(Cornwall) |
Ordovician |
Famennian |
Baltisphaeridium |
Baltisphaeridium nanum
|
England(Cornwall) |
Ordovician |
Famennian |
Veryhachium |
Veryhachium ceratioides
|
England(Cornwall) |
Emsian |
Frasnian |
Micrhystridium |
Micrhystridium spinoglobosum
|
England(Cornwall) |
Emsian |
Famennian |
Baltisphaeridium |
Baltisphaeridium simplex
|
England(Cornwall) |
Frasnian |
|
Baltisphaeridium |
Baltisphaeridium echinodermum
|
England(Cornwall) |
Frasnian |
Famennian |
Micrhystridium |
Micrhystridium dangeardii
|
England(Cornwall) |
Frasnian |
Famennian |
Dictyotidium |
Dictyotidium fairfieldense
|
England(Cornwall) |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera polonica
|
England(Cornwall) |
Famennian |
Tournaisian |
Unellium |
Unellium winslowiae
|
England(Cornwall) |
Middle Devonian |
Dinantian |
Micrhystridium |
Micrhystridium vulgare
|
England(Cornwall) |
Frasnian |
Dinantian |
Punctatisporites |
Punctatisporites sp
|
England(Cornwall) |
Frasnian |
Dinantian |