Keywords: FMIB 52521 Canal system of Sycon gelatonosoma Transverse section through the wall of a cylinder (parallel with the corner of the canals.jpeg check categories 11 September 2015 2 Canal system of Sycon gelatonosoma Transverse section through the wall of a cylinder parallel with the corner of the canals showing one incurrent canal IC and one radial R throughout their length Subject Calcarea--Anatomy Sponges--Anatomy Tag Invertebrates 1903 Cite book Sea-Beach at Ebb-Tide Arnold Augusta Foote New York Century Co 1903 103 Creator Augusta Foote Arnold PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 52521 Images from the Freshwater and Marine Image Bank to check Augusta Foote Arnold Invertebrates |