Mytilus edulis L., attached by its byssus (By) to a piece of wood; F, foot; S, anal siphon, the branchial sipohon being below it and not closed. 1895. Mytilus.
Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
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Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
Cooke, A. H.; Shipley, A. E.; Reed, F. R. C. 1895. Molluscs; Brachiopods (Recent); Brachiopods (Fossil. London, England : Macmillan and Co. Cambridge Natural History, v.3; Figure 75
