Description
Fossilized Neoasaphus Kowalewski Trilobites in Matrix: Ancient Seas, Russia, St. Petersburg, Volkhov River, Ordovician Period, ca. 485. 4 to 443. 8 Million years ago. Two charming fossilized trilobites captured on a stone matrix from where they once patrolled the ocean floor! These are both from the genus Asaphus (Neoasaphus)...