Multiplicisphaeridium |
Multiplicisphaeridium spicatum
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium truncatum
|
Canada(Alberta) |
Late Devonian |
|
Nannoceratopsiella |
Nannoceratopsiella permiana
|
Nd |
Nd |
|
Nannoceratopsis |
Nannoceratopsis deflandrei
|
Nd |
Nd |
|
Nannoceratopsis |
Nannoceratopsis gracilis
|
Nd |
Nd |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
Nd |
Nd |
|
Nelsoniella |
Nelsoniella aceras
|
Nd |
Nd |
|
Nelsoniella |
Nelsoniella semireticulata
|
Nd |
Nd |
|
Nelsoniella |
Nelsoniella tuberculata
|
Nd |
Nd |
|
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
Nd |
Nd |
|
Netrelytron |
Netrelytron stegastum
|
Nd |
Nd |
|
Noremia |
Noremia major
|
Nd |
Nd |
|
Odontochitina |
Odontochitina athabaskensis
|
Nd |
Nd |
|
Odontochitina |
Odontochitina costata
|
Nd |
Nd |
|
Odontochitina |
Odontochitina cribropoda
|
Nd |
Nd |
|
Odontochitina |
Odontochitina operculata
|
Nd |
Nd |
|