Here is an inexpensive specimen of a trilobite track of the species Cruziana furcifera from the Ordovician of Portugal. The traces originate from a temporary outcrop in the vicinity of Penha Garcia. Cruziana furcifera is characteristic of the Armorican Quartzite. Similar findings are also known in Spain. | |||
Location: | Penha Garcia, Idanha-a-Nova, Distrikt Castelo Branco, Portugal | ||
Size Plate : | about 91 x 78 mm | ||
Age: | Lower Ordovician ,?Floium Armorican Quartzite Formation (about. 470 . Ma) |