Keywords: FMIB 40979 Rattulus gracilis Tessin Ventral view, trophi extended.jpeg check categories 13 September 2015 2 Rattulus gracilis Tessin Ventral view trophi extended Subject Rotifera Rattulus Tag Invertebrates 1904 Cite book Rotatoria of the United States II A Monograph of the Rattulidae Jennings H S Washington DC Government Printing Office 1904 Bulletin of the United States Fish Commission vol 22 1902 Plate V-49 Creator Herbert Spencer Jennings PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 40979 Images from the Freshwater and Marine Image Bank to check Herbert Spencer Jennings Rotifera |