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    { "id" : "http://dbpedia.org/resource/Evolution_of_fish"
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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The evolution of fish began about 530 million years ago during the Cambrian explosion. Early fish from the fossil record are represented by a group of small, jawless, armoured fish known as ostracoderms. Jawless fish lineages are mostly extinct. An extant clade, the lampreys may approximate ancient pre-jawed fish. The first jaws are found in Placoderm fossils. The diversity of jawed vertebrates may indicate the evolutionary advantage of a jawed mouth." ] ,
        "http://www.w3.org/2000/01/rdf-schema#seeAlso" : [ "http://dbpedia.org/resource/List_of_fossil_sites",
          "http://dbpedia.org/resource/Lists_of_prehistoric_fish" ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Devonianfishes_ntm_1905_smit_1929.gif?width=300"] } } }
