Keywords: FMIB 49350 Ventriculites simplex, Toulmin Smith Section of the outer wall, showing the structure of the silicious network.jpeg Ventriculites simplex Toulmin Smith Section of the outer wall showing the structure of the silicious network Subject Sponges Ventriculites Tag Invertebrates 1873 Cite book Depths of the Sea an account of the General Results of the Dredging Cruises of H M SS 'Porcupine' and 'Lightning' During the Summers of 1868 1869 and 1870 under the Scientific Direction of Dr Carpenter F R S J Gwyn Jeffreys F R S and Dr Wyville Thomson F R S Thomson C Wyville London England MacMillan and Co 1873 Fig 82 Creator Charles Wyville Thomson PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49350 Images from the Freshwater and Marine Image Bank to check Charles Wyville Thomson Porifera Ventriculites |