including one of 82 kg

Clarity: Transparent SI

Product ID: SS0076

yet this elegance is frequently contrasted by dramatic deep grooves and winding channels etched into their surfaces

Clarity:  Clean to the eye

Micraster Echinoid Fossil | Natural Fossilized | Late Cretaceous Campanian | 147.5 gr | Rzezusnia, Poland | SO24 L6 including one of 82 kgThis is a great 147. 5 gram fossilized Micraster from Rzezusnia, Poland. Micraster is an extinct genus of echinoids from the Late Cretaceous to the early Eocene. Its remains have been found in Africa, Antarctica, Europe, and North America. Micraster was an infaunal echinoid living in a burrow below the sediment surface. The test (hard shell) is clearly bilateral and there is a deep anterior groove to take in water containing organic particles to the