Striatotheca |
Striatotheca frequens
|
Nd |
Late Llanvirnian |
|
Striatotheca |
Striatotheca insolita
|
Nd |
Arenigian |
|
Striatotheca |
Striatotheca microrugulata
|
Nd |
Arenigian |
|
Striatotheca |
Striatotheca mutua
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca principalis
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca principalis
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca principalis
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca prolixa
|
Nd |
Late Tremadocian |
Early Arenigian |
Striatotheca |
Striatotheca quieta
|
Nd |
Middle Wenlockian |
Early Ludlovian |
Striatotheca |
Striatotheca rarirrugulata
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca rugulata
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca scabrata
|
Nd |
Ludlovian |
Early Gedinnian |
Striatotheca |
Striatotheca tenuata
|
E.Germany |
Late Llanvirnian |
|
Striatotheca |
Striatotheca tenuistriata
|
Nd |
Late Llanvirnian |
|
Striatotheca |
Striatotheca transformata
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca trapeziformis
|
Nd |
Late Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca triangulata
|
Nd |
Late Arenigian |
Early Llanvirnian |