91MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA dup-review-publication including two generally symmetrical valves

including two generally symmetrical valves that vary from rounded to oval in outline

Etherellidae (Permian)

Large eyes indicate sharp vision

reaching a height as tall as the highest point of the back of the skull

91MM Perisphinctes Ammonite Fossil Nautilus Madagascar Jurassic Age COA dup-review-publication including two generally symmetrical valvesLocation: 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