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Title: Turritella Fossils
Caption: Turritella, a screw-shaped mollusk with numerous whorls and spiral ribbing, found burrowed into seabeds from the Cretaceous Period to recent times. 50 mm long.
Credit: Album / Science Source / BIOPHOTO ASSOCIATES
Image size: 5101 × 3423 px | 50.0 MB
Print size: 43.2 × 29.0 cm | 2008.3 × 1347.6 in (300 dpi)