| Here is a very detailed and quite large Barrandia homfrayi from the hope shales. | |||
Location: | Minsterly, Shropshire, UK | ||
| Size of Trilobite: | about 47 mm long | ||
| Age: | Ordovician, Llanvirn Didymograptus artus-Biozone Hope Shale Formation (about 455 Mill. Years) | ||