Like Download 1.18 MB ammonites 2730 x 1196 pixels Aspect ratio 105:46 Canon PowerShot SX710 HS 13.921 mm f/4.5 1/20 s ISO 1600 Online since: 20 May 2019 Taken: 1 October 2017 CC0 / Public Domain ammonite fossil shell cephalopod nautilus spiral coiled curled stone rock ancient