Stellinium |
Stellinium nasicum
|
United Kingdom |
Frasnian |
Early Famennian |
Stellinium |
Stellinium pseudopharaone
|
United Kingdom |
Early Famennian |
|
Striatotheca |
Striatotheca frequens
|
United Kingdom |
Late Arenigian |
Late Llanvirnian |
Striatotheca |
Striatotheca principalis
|
United Kingdom |
Arenigian |
Early Llanvirnian |
Striatotheca |
Striatotheca quieta
|
United Kingdom |
Llanvirnian |
|
Striatotheca |
Striatotheca rarirrugulata
|
United Kingdom |
Tremadocian |
Late Arenigian |
Striatotheca |
Striatotheca trigonia
|
United Kingdom |
Llanvirnian |
|
Tasmanites |
Tasmanites bobrowskae
|
United Kingdom |
Early Cambrian |
|
Tectitheca |
Tectitheca contracta
|
United Kingdom |
Llanvirnian |
|
Tectitheca |
Tectitheca prima
|
United Kingdom |
Tremadocian |
|
Timofeevia |
Timofeevia lancariae
|
United Kingdom |
Middle Cambrian |
|
Timofeevia |
Timofeevia pentagonalis
|
United Kingdom |
Middle Cambrian |
Late Cambrian |
Timofeevia |
Timofeevia phosphoritica
|
United Kingdom |
Middle Cambrian |
Late Cambrian |
Timofeevia |
Timofeevia phosphoritica
|
United Kingdom |
Late Cambrian |
Tremadocian |
Trunculumarium |
Trunculumarium revinium
|
United Kingdom |
Late Cambrian |
Tremadocian |
Tunisphaeridium |
Tunisphaeridium caudatum
|
United Kingdom |
Middle Llandoverian |
Early Wenlockian |
Tunisphaeridium |
Tunisphaeridium parvum
|
United Kingdom |
Middle Llanvirnian |
Early Ludlovian |