Keywords: FMIB 49915 Comparison of series of shells from near the surface (left) and near the bottom (right) at Crockett.jpeg check categories 17 September 2015 3 Comparison of series of shells from near the surface left and near the bottom right at Crockett Subject Teredo navalis Tag Mollusks 1923 Cite book Report on the San Francisco Bay Marine Piling Survey San Francisco Bay Marine Piling Committee San Francisco CA San Francisco Bay Marine Piling Committee 1923 3rd Appendix I Plate 3 Fig 1 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49915 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Teredo navalis Mollusca |