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Annuli on scallop shell

Image de Placopecten Verrill 1897

Description :

Description: English: Atlantic sea scallop, Placopecten magellanicus. You can tell how old a scallop is by counting the number of annuli (rings) on their shells (kind of like counting tree rings on a stump). Date: 11 November 2012, 21:21:06. Source: NOAA FishWatch (see Gallery). Author: Unknown authorUnknown author.

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