The shell of this fossilised Ammonite of the Phyllocarus family shows the complex suture lines marking the individual gas filled chambers


The shell of this fossilised Ammonite of the Phyllocarus family shows the complex suture lines marking the individual septa, or internal gas filled chambers of the shell


Size: 5800px × 4304px
Location: Whitby, UK
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

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