Keywords: FMIB 46281 Pygocephalus cooperi, from the coal-measures; under-side of a female specimen, showing the overlapping plates of the brood-pouch.jpeg check categories 19 August 2015 2 Pygocephalus cooperi from the coal-measures; under-side of a female specimen showing the overlapping plates of the brood-pouch Subject Shrimps--Fossil pYGOCEPHALUS Tag Invertebrates 1911 Cite book Life of Crustacea Calman W T New York the MacMillan Company 1911 Fig 83 Creator William Thomas Calman PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 46281 Images from the Freshwater and Marine Image Bank to check William Thomas Calman Invertebrates |