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 Sigmoidella elegantissima (Parker and Jones, 1870) identified by scientist Quaternary Banda, Timor and Arafura Sea |  Sigmoidella pacifica Cushman and Ozawa, 1928 identified by scientist Quaternary Banda, Timor and Arafura Sea |  Sigmoidella pacifica Cushman and Ozawa, 1928 identified by scientist Quaternary Banda, Timor and Arafura Sea |  Sigmoidella pacifica Cushman and Ozawa, 1928 identified by scientist Quaternary Banda, Timor and Arafura Sea |  Sigmoidella pacifica Cushman and Ozawa, 1928 identified by scientist Quaternary Banda, Timor and Arafura Sea |
