Ammonite memorial stone. Polished slab of marble containing Ammonite fossils. The large ammonites are Asteroceras marstonense, the small ammonites are

---

Ammonite memorial stone. Polished slab of marble containing Ammonite fossils. The large ammonites are Asteroceras marstonense, the small ammonites are Promicroceras marstonensis. Ammonites were marine invertebrates. They first appeared in the fossil record around 400 million years ago in the late Silurian and early Devonian periods and became extinct at the end of the Cretaceous period, 65 million years ago. Specimen from Lower Lias, near Yeovil, Somerset,UK. For the unpolished side see C013/6642.

---

Size: 4369px × 4000px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 129, 1800s, 1830s, 19th, 3, animal, animals, apus, artwork, biological, biology, bird, british, century, common, drawing, drawings, european, fauna, historical, history, illustration, macgillivray, natural, nature, ornithological, ornithology, plate, swift, trio, watercolour, wildlife, william, zoological, zoology