Sphaerina |
Sphaerina parvispinellata
|
Nd |
Nd |
|
Sphaerina |
Sphaerina parvispinellata
|
USSR(Urals) |
Rhaetian |
|
Sphaerina |
Sphaerina spinellata
|
Nd |
Nd |
|
Sphaerina |
Sphaerina spinellata
|
Nd |
Nd |
|
Sphaerina |
Sphaerina spinellata
|
USSR(Urals) |
Rhaetian |
|
Sphagnumsporites |
Sphagnumsporites apolaris
|
E.Germany(Erfurt) |
Rhaetian |
|
Sphagnumsporites |
Sphagnumsporites apolaris
|
Nd |
Nd |
|
Sphagnumsporites |
Sphagnumsporites australis
|
Nd |
Nd |
|
Sphagnumsporites |
Sphagnumsporites cacheutensis
|
Argentina(Mendoza) |
Middle Triassic |
|
Sphagnumsporites |
Sphagnumsporites clavus
|
Nd |
Nd |
|
Sphagnumsporites |
Sphagnumsporites robustus
|
Nd |
Nd |
|
Sphagnumsporites |
Sphagnumsporites tenuis
|
Nd |
Nd |
|
Spheripollenites |
Spheripollenites balmei
|
Canada(W.Canada) |
Early Triassic |
|
Spheripollenites |
Spheripollenites cacheutensis
|
Argentina(Mendoza) |
Middle Triassic |
|
Spheripollenites |
Spheripollenites classopolloides
|
Nd |
Nd |
|
Spheripollenites |
Spheripollenites elphinstonei
|
Canada(W.Canada) |
Early Triassic |
|
Spheripollenites |
Spheripollenites niger
|
Argentina(Mendoza) |
Middle Triassic |
|