Ptychomonoporina |
Ptychomonoporina
|
Nd |
Nd |
|
Diporina |
Diporina
|
Nd |
Nd |
|
Ptychodiporina |
Ptychodiporina
|
Nd |
Nd |
|
Triporina |
Triporina
|
Nd |
Nd |
|
Ptychotriporina |
Ptychotriporina
|
Nd |
Nd |
|
Tetraporina |
Tetraporina
|
Nd |
Nd |
|
Ptychotetraporina |
Ptychotetraporina
|
Nd |
Nd |
|
Pentaporina |
Pentaporina
|
Nd |
Nd |
|
Ptychopentaporina |
Ptychopentaporina
|
Nd |
Nd |
|
Polyporina |
Polyporina
|
Nd |
Nd |
|
Ptychopolyporina |
Ptychopolyporina
|
Nd |
Nd |
|
Brochotriletes |
Brochotriletes
|
Nd |
Nd |
|
Azonotriletes |
Azonotriletes microrugosus
|
Spitsbergen |
Early Carboniferous |
|
Azonotriletes |
Azonotriletes punctulatus
|
Spitsbergen |
Early Carboniferous |
|
Azonotriletes |
Azonotriletes lasius
|
Spitsbergen |
Early Carboniferous |
|
Zonotriletes |
Zonotriletes crassipterus
|
Spitsbergen |
Early Carboniferous |
|
Zonotriletes |
Zonotriletes dentatus
|
Spitsbergen |
Early Carboniferous |
|