Keywords: FMIB 40866 Aspidisca hexeris.jpeg check categories 13 September 2015 3 Aspidisca hexeris Subject Aspidisca 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 56 Creator Gary Nathan Calkins PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 40866 Images from the Freshwater and Marine Image Bank to check Gary Nathan Calkins Aspidisca Invertebrates |