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

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

Weight: 6.1 Ounces

Dimensions: 2.9 Inches Long, 2.1 Inches Wide, 1.3 Inches Thick

The item pictured is the one you will receive. 

This distinguished clam fossil hails from Madagascar and represents 150 million years of geological history from the Jurassic Period. Clams possess an impressive evolutionary legacy, with ancestors emerging during the late Cambrian Period roughly 510 million years ago. As bivalve mollusks, they are characterized by their two-valve shell design, unified by a sophisticated hinge ligament, and controlled by paired muscular structures within. These ancient filter feeders employed an elegant biological mechanism, drawing water through their bodies to extract microscopic nourishment from phytoplankton and other diminutive organisms. This polished specimen exemplifies the remarkable preservation of prehistoric marine fauna and offers collectors a tangible artifact of Earth's ancient oceans and their diverse inhabitants.

Please be aware of the nature of fossils:

Being buried underground for millions of years under immense pressure can be quite rough. Rarely does a fossil emerge perfectly intact; most have undergone some restoration, and some are modified by humans to improve their display. Madagascar's workers do a highly professional job of unearthing and preserving these natural treasures, though natural cracks often appear on the surface. These cracks are part of the fossil's natural charm and are not flaws.