Tunisphaeridium |
Tunisphaeridium tentaculaferum
|
United Kingdom |
Middle Llanvirnian |
Early Wenlockian |
Tunisphaeridium |
Tunisphaeridium whitcliffense
|
United Kingdom |
Ludlovian |
|
Tylotopalla |
Tylotopalla barbata
|
United Kingdom |
Late Llandoverian |
Early Wenlockian |
Tylotopalla |
Tylotopalla caelamenicutis
|
United Kingdom |
Llandoverian |
Middle Wenlockian |
Tylotopalla |
Tylotopalla digitifera
|
United Kingdom |
Llandoverian |
|
Tylotopalla |
Tylotopalla pyramidalis
|
United Kingdom |
Early Ludlovian |
|
Tylotopalla |
Tylotopalla robustispinosa
|
United Kingdom |
Wenlockian |
|
Tylotopalla |
Tylotopalla wenlockia
|
United Kingdom |
Wenlockian |
Early Ludlovian |
Unellium |
Unellium winslowiae
|
United Kingdom |
Frasnian |
Famennian |
Veryhachium |
Veryhachium celestum
|
United Kingdom |
Llanvirnian |
Llandoverian |
Veryhachium |
Veryhachium ceratioides
|
United Kingdom |
Middle Frasnian |
Late Frasnian |
Veryhachium |
Veryhachium downiei
|
United Kingdom |
Frasnian |
Late Famennian |
Veryhachium |
Veryhachium dumontii
|
United Kingdom |
Late Cambrian |
|
Veryhachium |
Veryhachium europaeum
|
United Kingdom |
Frasnian |
Early Famennian |
Veryhachium |
Veryhachium fakirum
|
United Kingdom |
Llanvirnian |
|
Veryhachium |
Veryhachium lairdii
|
United Kingdom |
Tremadocian |
Early Ashgillian |
Veryhachium |
Veryhachium longispinosum
|
United Kingdom |
Late Caradocian |
|