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Title: Goniatite Fossil
Caption: Goniatite fossil (Muensteroceras sp.) from the Mississippian Period, found near Rockford, Indiana. Goniatites are ammonoid cephalopods, similar to ammonites.
Credit: Album / Science Source / LOUISE K. BROMAN
Image size: 5022 × 3481 px | 50.0 MB
Print size: 42.5 × 29.5 cm | 1977.2 × 1370.5 in (300 dpi)