Saxosporis |
Saxosporis gracilis
|
Germany |
Oligocene |
Miocene |
Schizosporis |
Schizosporis reticulatus
|
Australia |
Late Mesozoic |
|
Schizosporis |
Schizosporis reticulatus
|
Canada |
Late Neocomian |
|
Schizosporis |
Schizosporis reticulatus
|
Nd |
Nd |
|
Schizosporis |
Schizosporis reticulatus
|
Nd |
Nd |
|
Schizosporis |
Schizosporis reticulatus
|
Nd |
Nd |
|
Schizosporis |
Schizosporis reticulatus
|
Nd |
Late Cretaceous |
|
Tetrahedraletes |
Tetrahedraletes medinensis
|
Nd |
Nd |
|
Tetrahedraletes |
Tetrahedraletes medinensis
|
Nd |
Early Silurian |
Early Devonian |
Tetrahedraletes |
Tetrahedraletes medinensis
|
Nd |
Early Ordovician |
|
Tetrapterites |
Tetrapterites visensis
|
Nd |
Nd |
|
Tetrapterites |
Tetrapterites visensis
|
Nd |
Early Mississippian |
|
Tigrisporites |
Tigrisporites halleinis
|
Germany(Bavaria) |
Triassic |
|
Tigrisporites |
Tigrisporites halleinis
|
Nd |
Nd |
|
Tigrisporites |
Tigrisporites halleinis
|
Nd |
Nd |
|
Tigrisporites |
Tigrisporites halleinis
|
Nd |
Early Triassic |
|
Verrucosisporites |
Verrucosisporites
|
Nd |
Early Triassic |
|