91MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Grposaurus located near the eyes rather

located near the eyes rather than at the tip of the snout

Its skull was equipped with large

These Llewellyn Formation fossils offer a rare glimpse into the diverse swamp ecosystems of the Pennsylvanian Period

and intricate carvings

It became extinct about 65 million years ago in the Cretaceous

91MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA Grposaurus located near the eyes ratherLocation: Near Sakaraha, Tulear Province, Madagascar Weight: 8. 3 Ounces Dimensions: 91MM 3. 6 inches long, 3. 4 inches wide, 1. 1 inches thick Comes with a Certificate of Authenticity. The items pictured are the ones you will receive. Perisphinctes Ammonite Perisphinctes ammonite exemplifies the taxonomic diversity of Jurassic cephalopods. As members of the subclass Ammonoidea, these organisms occupied critical ecological niches in marine food webs