Attritasporites |
Attritasporites messaoudii
|
Czechoslovakia |
Tremadocian |
|
Attritasporites |
Attritasporites scabrus
|
Czechoslovakia |
Tremadocian |
|
Attritasporites |
Attritasporites velatus
|
Czechoslovakia |
Tremadocian |
|
Ericanthea |
Ericanthea pollicipes
|
Czechoslovakia |
Arenigian |
Llanvirnian |
Virgatasporites |
Virgatasporites
|
Czechoslovakia |
Tremadocian |
|
Virgatasporites |
Virgatasporites rudii
|
Czechoslovakia |
Tremadocian |
|
Apiculiretusispora |
Apiculiretusispora spicula
|
England |
Early Downtonian |
|
Artemopyra |
Artemopyra brevicosta
|
England |
Homerian |
|
Cooksonia |
Cooksonia pertonii
|
England |
Early Downtonian |
|
Cooksonia |
Cooksonia pertonii
|
England |
Early Downtonian |
|
Cooksonia |
Cooksonia pertonii
|
England |
Early Downtonian |
|
Cooksonia |
Cooksonia pertonii
|
England |
Early Downtonian |
|
Synorisporites |
Synorisporites verrucatus
|
England |
Early Downtonian |
|
Tetrahedraletes |
Tetrahedraletes medinensis
|
England |
Early Gedinnian |
|
Apiculate |
Apiculate dyad
|
England |
Early Gedinnian |
|
Retusotriletes |
Retusotriletes coranadus
|
England |
Early Downtonian |
|
Apiculiretusispora |
Apiculiretusispora synorea
|
England(Herefordshire) |
Early Downtonian |
|