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Title: Bivalve Fossil
Caption: Fossil bivalve (Posidonia sp.) from the Carboniferous Period, Belgium. Posidonia had flattened valves, a straight dorsal margin and a single muscle scar inside the shell, and grew to 35 mm in diameter. It lived worldwide, from the Carboniferous Period to the Jurassic.
Category: Geology & Fossils
Credit: Album / Science Source / Biophoto Associates
Image size: 3793 × 2631 px | 28.6 MB
Print size: 32.1 × 22.3 cm | 1493.3 × 1035.8 in (300 dpi)