This is a rather rare Dudley trilobite of the species Acaste inflata from the Coalbrookdale Formation of Wren's Nest. | |||
Location: | Wrens Nest, Dudley, Worcestershire, UK | ||
Size trilobite: | about 24 mm long | ||
Age: | Silurian , Wenlock, Coalbrookdale Fm (about. 428 Mill. y.o.) |