Stellinium |
Stellinium tetrahedroide
|
Nd |
Arenigian |
Siegenian |
Stellinium |
Stellinium vandenberghenii
|
Nd |
Late Ludlovian |
Frasnian |
Stellinium |
Stellinium vanmeelii
|
Nd |
Frasnian |
|
Stictosphaeridium |
Stictosphaeridium brayense
|
Nd |
Acadian |
|
Striatotheca |
Striatotheca acutiuscula
|
Nd |
Late Llanvirnian |
|
Striatotheca |
Striatotheca confecta
|
Nd |
Late Wenlockian |
Early Ludlovian |
Striatotheca |
Striatotheca frequens
|
Nd |
Late Llanvirnian |
|
Striatotheca |
Striatotheca insolita
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca microrugulata
|
Nd |
Arenigian |
Llanvirnian |
Striatotheca |
Striatotheca mutua
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca principalis
|
Nd |
Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca principalis
|
Nd |
Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca quieta
|
Nd |
Arenigian |
Ludlovian |
Striatotheca |
Striatotheca rarirrugulata
|
Nd |
Arenigian |
Caradocian |
Striatotheca |
Striatotheca rugulata
|
Nd |
Late Arenigian |
Llanvirnian |
Striatotheca |
Striatotheca scabrata
|
Nd |
Tremadocian |
Gedinnian |
Striatotheca |
Striatotheca tenuistriata
|
Nd |
Late Llanvirnian |
|