A good large representative example of this trilobite. Comes with a display stand with a species/locality label. Found:- Asery level, Obuchov Formation, Arenig Series, Middle Ordovician, Putilova Quarry, Volchov River, St. Petersburg, Russia. Age:- 460 Million Years Old. Size of Trilobite = 7 cm (2.75 inches) long. Overall Size = 10.2 cm (4 inches) wide by 6.4 cm (2.5 inches).