Hereis a large specimen of the quite rare Agnostid trilobite Tomagnostus fissus from Pembrokeshire. | |||
Location: | Nine Wells, Pembrokeshire, Wales, UK | ||
Size: | about 12 mm long | ||
Age: | Middle Cambrian, St. Davids Series, Plutonites hicksii Biozone (about 500 Mill. Years) |