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 rugulata
|
Nd |
Late Arenigian |
Llanvirnian |
Striatotheca |
Striatotheca transformata
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca trapeziformis
|
Nd |
Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca triangulata
|
Nd |
Late Arenigian |
Early Llanvirnian |
Tasmanites |
Tasmanites trematus
|
Nd |
Arenigian |
Early Llanvirnian |
Tectitheca |
Tectitheca additionalis
|
Nd |
Late Arenigian |
Early Llanvirnian |
Acanthodiacrodium |
Acanthodiacrodium angustizonale
|
Nd |
Arenigian |
Llanvirnian |
Acanthodiacrodium |
Acanthodiacrodium uniforme
|
Nd |
Arenigian |
Llanvirnian |
Adorfia |
Adorfia firma
|
Nd |
Arenigian |
Llanvirnian |
Adorfia |
Adorfia prolongata
|
Nd |
Arenigian |
Llanvirnian |
Arbusculidium |
Arbusculidium bicuspidatum
|
Nd |
Arenigian |
Llanvirnian |
Aureotesta |
Aureotesta clathrata
|
Nd |
Arenigian |
Llanvirnian |
Coryphidium |
Coryphidium elegans
|
Nd |
Arenigian |
Llanvirnian |