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Title: Crinoid Fossil
Caption: Crinoid fossil (Encrinus sp.) from the Triassic Period, Muschelkalk, Germany. Encrinus had a small calyx, well-developed arms and pentameral symmetry. It probably lived in shallow, flowing sea water with its calyx facing the current, trapping microscopic food particles with its pinnules. Length: 35mm.
Category: Geology & Fossils
Credit: Album / Science Source / Biophoto Associates
Image size: 5120 × 3415 px | 50.0 MB
Print size: 43.3 × 28.9 cm | 2015.7 × 1344.5 in (300 dpi)