Keywords: FMIB 49835 Xylotrya setacca Tryon, entire animal removed from burrow.jpeg check categories 17 September 2015 2 Xylotrya setacca Tryon entire animal removed from burrow Subject Xylotrya Marine borers Tag Mollusks 1921 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 1921 1st Plate 16 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49835 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Mollusca |