. . . "~"@en . "\u2020Productida"@en . . "38612454"^^ . "Gigantoproductus giganteus (\"Gigantic giant Productus\") is an extinct species of brachiopods in the family , known only from its fossil remains. It was a marine invertebrate found on the seabed in shallow seas. It evolved during the Carboniferous period and it is believed to be the largest brachiopod that has ever existed."@en . . . . "\u2020G. giganteus"@en . . . . "\u2020Strophomenata"@en . "Gigantoproductus giganteus"@en . . . . . "Animalia"@en . . . "\u2020Gigantoproductus giganteus"@en . . . . . . . . . . . . "Gigantoproductus giganteus (\"Gigantic giant Productus\") is an extinct species of brachiopods in the family , known only from its fossil remains. It was a marine invertebrate found on the seabed in shallow seas. It evolved during the Carboniferous period and it is believed to be the largest brachiopod that has ever existed."@en . . . . . . . . . . . . . . . . "\u2020Gigantoproductus"@en . . . . ""@en . . . . . . . "Gigantoproductus giganteus"@en . . . . "1108328086"^^ . . "Brachiopoda"@en . . . "6052"^^ . . . . "\u2020Monticuliferidae"@en . . . . . "Gigantoproductus giganteus"@en . . . . . .