Tunisphaeridium |
Tunisphaeridium venosum
|
Nd |
Early Gothlandian |
|
Tunisphaeridium |
Tunisphaeridium whitcliffense
|
Nd |
Ludlovian |
|
Turuchanica |
Turuchanica
|
Nd |
Nd |
|
Turuchanica |
Turuchanica alara
|
Nd |
Nd |
|
Turuchanica |
Turuchanica interstricta
|
Nd |
Nd |
|
Turuchanica |
Turuchanica kulgunica
|
USSR(Urals) |
Late Riphean |
|
Turuchanica |
Turuchanica maculata
|
Finland |
Middle Riphean |
Late Riphean |
Turuchanica |
Turuchanica ternata
|
Nd |
Nd |
|
Tyligmasoma |
Tyligmasoma
|
Nd |
Nd |
|
Tyligmasoma |
Tyligmasoma alargada
|
Nd |
Emsian |
|
Tyligmasoma |
Tyligmasoma cylindrica
|
Nd |
Ludlovian |
|
Tyligmasoma |
Tyligmasoma sanpetrensis
|
Nd |
Ludlovian |
Early Gedinnian |
Tyloligotriletes |
Tyloligotriletes
|
Nd |
Nd |
|
Tyloligotriletum |
Tyloligotriletum
|
Nd |
Nd |
|
Tyloligotriletum |
Tyloligotriletum asperum
|
Nd |
Middle Cambrian |
Late Cambrian |
Tyloligotriletum |
Tyloligotriletum cymbiforme
|
Nd |
Middle Cambrian |
|
Tyloligotriletum |
Tyloligotriletum expansum
|
Nd |
Middle Cambrian |
|