Keywords: FMIB 40848 Colpidium colpoda.jpeg check categories 13 September 2015 5 Colpidium colpoda Subject Colpidium Protozoa Tag Invertebrates 1902 Cite book Marine Protozoa from Woods Hole Calkins Gary N Washington DC Government Printing Office 1902 Bulletin of the United States Fish Commission vol 21 1901 Fig 38 Creator Gary Nathan Calkins PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 40848 Images from the Freshwater and Marine Image Bank to check Gary Nathan Calkins Colpidium Protista Invertebrates Colpidium colpoda |