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Title: ammonite fossil
Caption: Internal view of a sectioned ammonite fossil, Perisphinctes sp., from Madagascar, Jurassic Period. The view reveals the internal chambers created by the animal as it grew. In the fossil the chambers have become filled with crystallized minerals.
Category: Animals • nature • MARINE • Geology & Fossils
Credit: Album / Science Source / Francois Gohier
Image size: 5315 × 3543 px | 53.9 MB
Print size: 45.0 × 30.0 cm | 2092.5 × 1394.9 in (300 dpi)