Ogyginus corndensis (Murchison 1839)
The 'classic' Welsh Trilobite. Beautifully preserved complete specimen with both librigenes still attached. Both positive and negative.. There is also a tiny complete juvenile specimen
Ordovician, Lower Llanvirn Series. Abereiddian Stage, Camnant Mudstone Group.
Old Tile Quarry, Upper Gilwern Hill near Hundred House, Powys, Wales.
Trilobite : 3.3 cm long.
