Micrhystridium |
Micrhystridium shinetonense
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium vulgare
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium wicanderi
|
Nd |
Nd |
|
Morcoa |
Morcoa cantabrica
|
Worldwide |
Late Ludfordian |
|
Moyeria |
Moyeria
|
Worldwide |
Late Ludfordian |
|
Moyeria |
Moyeria cabottii
|
Worldwide |
Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium bifurcatum
|
Worldwide |
Caradocian |
Ashgillian |
Multiplicisphaeridium |
Multiplicisphaeridium bonitum
|
Worldwide |
Late Ludfordian |
|
Multiplicisphaeridium |
Multiplicisphaeridium fisheri
|
Worldwide |
Late Rhuddanian |
Aeronian |
Multiplicisphaeridium |
Multiplicisphaeridium forquillum
|
Worldwide |
Telychian |
Gorstian |
Multiplicisphaeridium |
Multiplicisphaeridium irregulare
|
Worldwide |
Soudleyan |
Ashgillian |
Multiplicisphaeridium |
Multiplicisphaeridium jardinei
|
Worldwide |
Late Ludfordian |
Pridolian |
Multiplicisphaeridium |
Multiplicisphaeridium neahgae
|
Worldwide |
Late Rhuddanian |
Sheinwoodian |
Multiplicisphaeridium |
Multiplicisphaeridium paraguaferum
|
Nd |
Nd |
|
Multiplicisphaeridium |
Multiplicisphaeridium polydactylum
|
Worldwide |
Homerian |
Gorstian |
Multiplicisphaeridium |
Multiplicisphaeridium ramispinosum
|
Nd |
Frasnian |
Famennian |