The Former Aberystwyth Micropalaeontological Collection
Please note that not all of the geological terms linked below will return records at this time.
Caenozoic
Mesozoic
Late
Early
Late
Volgian (see also Portlandian, Berriasian, Tithonian)
Middle
Early
Triassic (no data)
Palaeozoic
Late
Early
Late (Pennsylvanian)
Gzhelian (see also Stephanian)
Kasimovian (see also Stephanian)
Moscovian (see also Stephanian, Westphalian)
Early (Mississippian)
Late
Middle
Early
Late
Early
Late
Middle
Early
Cambrian (no data)