Silicified pine cones (Araucaria mirabilis). Specimen from the Cerro Cuadrado Fossil Forest (Jaramillo Fossil Forest), Argentina, dating from the Uppe

---

Silicified pine cones (Araucaria mirabilis). Specimen from the Cerro Cuadrado Fossil Forest (Jaramillo Fossil Forest), Argentina, dating from the Upper Jurassic (161 to 146 million years ago). Specimen held at the Natural History Museum, London, UK.

---

Size: 3456px × 2528px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1800s, 19th, anatomy, animal, art, background, biological, biology, black, bone, bredanensis, carved, century, cetacea, cetacean, delphinidae, detail, dolphin, epitheria, eutheria, fauna, ink, mammal, mammalia, nature, nineteenth, odontoceti, painted, placental, red, rough-toothed, scrimshaw, shot, skull, steno, studio, studioshot, theria, toothed, zoological, zoology