Here is a mostly prone specimen of a silurian trilobite from the british Coalbrookdale -Formation. This specimen belongs to the species Acastacephala downingiae and is a economic example of this quite rare species. | |||
Location: | Wenlock Edge, Shropshire, UK | ||
Size: | about 26 mm long | ||
Age: | Silurian, Wenlock, Coalbrookdale Fm (About . 428 Mill. Years) |