The end of a Stone Shell shows the clockwise spiral of the gastropod produced by torsion as the mantle secreted calcium carbonate as it developed


The end of a Stone Shell shows the clockwise spiral of the gastropod produced by torsion as the mantle secreted calcium carbonate as it developed from the larval stage.


Size: 5500px × 4179px
Location: Zanzibar, Tanzania
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

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