Mycteroligotriletes |
Mycteroligotriletes marmoratus
|
Nd |
Proterozoic |
Middle Cambrian |
Mycteroligotriletum |
Mycteroligotriletum
|
Nd |
Nd |
|
Naevisphaeridium |
Naevisphaeridium
|
Nd |
Nd |
|
Naevisphaeridium |
Naevisphaeridium plenilunium
|
Nd |
Late Devonian |
|
Nannobarbophora |
Nannobarbophora
|
Nd |
Nd |
|
Nannobarbophora |
Nannobarbophora barbata
|
Nd |
Early Valanginian |
|
Nannobarbophora |
Nannobarbophora bigotii
|
Nd |
Bajocian |
|
Nannobarbophora |
Nannobarbophora pistilla
|
Nd |
Middle Albian |
|
Nannobarbophora |
Nannobarbophora platforma
|
Nd |
Middle Albian |
|
Nanocyclopia |
Nanocyclopia
|
Nd |
Nd |
|
Nanocyclopia |
Nanocyclopia aspratilis
|
Nd |
Late Gedinnian |
|
Nanocyclopia |
Nanocyclopia perplexa
|
Nd |
Late Gedinnian |
|
Navifusa |
Navifusa
|
Nd |
Nd |
|
Navifusa |
Navifusa ancepsipuncta
|
Nd |
Late Ordovician |
|
Navifusa |
Navifusa bacilla
|
Nd |
Middle Devonian |
|
Navifusa |
Navifusa bacilla
|
Nd |
Frasnian |
|
Navifusa |
Navifusa bagdarinica
|
Nd |
Vendian |
Early Cambrian |