| Here is a trilobite from the Carboniferous of Great Britain of the species Cummingella carringtonensis. There are also some negatives of the same kind on the piece. The Cummingella carringtonensis is about 5 mm long. | |||
Location: | Castleton, Derbyshire, UK | ||
| Size of Matrix: | about 73 x 47 mm | ||
| Age: | Lower Carboniferous, Visean Stage B2, Reef Limestones | ||