Bettonolithus chamberlaini are small high quality trilobite from Wales, these fossil specimens are of lower Ordovician age, approximately 480 to 470 million years old they were collected from Gilwern Hill, Powys, Wales, UK. For such a minute size, they appear to exhibit excellent detail, especially when observed with the aid of magnification. They are also all complete, with the head shield, tail and thorax present and undamaged, professionally prepped the trilobite specimens them selves are approximately 5 to 6 mm in size and are on a matrix which are roughly 45 x 45 mm in size. Each specimen comes supplied in a card tray with an information label detailing the age, name and location. Excellent fossil specimens for children and collectors, especially those with an interest in British fossils.