Baltisphaeridium |
Baltisphaeridium debilispinum
|
England |
Hettangian |
Toarcian |
Baltisphaeridium |
Baltisphaeridium debilispinum
|
England |
Liassic |
|
Micrhystridium |
Micrhystridium rarispinum
|
England |
Nd |
|
Micrhystridium |
Micrhystridium lymense
sp. nov. |
England |
Hettangian |
Early Domerian |
Micrhystridium |
Micrhystridium lymense
sp. nov. |
England |
Liassic |
|
Micrhystridium |
Micrhystridium lymense
sp. nov. |
England |
Liassic |
|
Veryhachium |
Veryhachium formosum
|
England |
Liassic |
|
Metaleiofusa |
Metaleiofusa diagonalis
sp. nov. |
England |
Liassic |
|
Leiotriletes |
Leiotriletes adrienniformis
|
England |
Liassic |
|
Leiotriletes |
Leiotriletes medius
|
England |
Liassic |
|
Leiotriletes |
Leiotriletes parvus
|
England |
Liassic |
|
Dictyophyllidites |
Dictyophyllidites harrisii
|
England |
Liassic |
|
Sphagnumsporites |
Sphagnumsporites psilatus
|
England |
Liassic |
|
Concavisporites |
Concavisporites toralis
|
England |
Liassic |
|
Concavisporites |
Concavisporites subgranulosus
|
England |
Liassic |
|
Auritulinasporites |
Auritulinasporites interstriatus
|
England |
Liassic |
|
Trachysporites |
Trachysporites punctulosus
|
England |
Liassic |
|