3" Clam Fossil Polished Jurassic Madagascar Bivalve Mollusk 150 Million Years Old

Location: Morondava River Basin, Atsimo-Andrefana region, Southwest Madagascar

Weight: 5.3 Ounces

Dimensions: 3 Inches Long, 2.1 Inches Wide, 1.3 Inches Thick

The item pictured is the one you will receive. 

This polished clam fossil represents a remarkable window into ancient marine life, preserved from Madagascar's Jurassic seas approximately 150 million years ago. As a bivalve mollusk, this specimen showcases the distinctive two-part shell structure—connected by a hinge ligament and operated by powerful muscles—that allowed these creatures to filter feed on microscopic organisms. Clams have an extensive evolutionary history stretching back over 500 million years to the late Cambrian Period, making them among the ocean's most enduring inhabitants. This 3-inch example captures the intricate details of a prehistoric filter feeder, offering collectors and enthusiasts a tangible connection to Earth's distant past.

Please be aware of the nature of fossils:

Being buried under the ground for millions of years under tons of pressure tends to be rough. No fossil comes out of the ground whole and perfect. Most fossils have undergone some restoration, while others are altered by man simply to enhance their presentation in different ways. The workers in Madagascar do a very professional job, unearthing and preserving these natural treasures; however, commonly, natural cracks are visible on the surface. These are part of the natural beauty of the fossil and are not considered defects.