Keywords: FMIB 51903 Amphistium paradoxum Agassiz Upper Eocene (Supposed ancestor of the flounders).jpeg Amphistium paradoxum Agassiz Upper Eocene Supposed ancestor of the flounders Subject Amphistium Tag Fish 1907 en Cite book Fishes Jordan David Starr New York City NY Henry Holt and Company 1907 Fig 365 Creator David Starr Jordan PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 51903 Images from the Freshwater and Marine Image Bank to check David Starr Jordan Amphistium Pleuronectiformes fossils Eocene fossils |