Paraceraurus spinulosus (Nieszkowski, 1857)
Super rare species. High level preparation.
- Age
- Upper Ordovician
- Formation
- Kukruze level
- Locality
- Alexeevka quarry, St. Petersburg region, Russia
- Size
- trilobite - 3.1 x 1.8 x 0.7 cm; specimen - 9 x 9 x 4 cm
- Restoration
- about 1%
