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Zhu, Z.-l.; Partoazar, H. (1996). 椭圆形阿富汗蜓(Afghanella elliptica)──前苏门答腊蜓向苏门答腊蜓演化的中间环节 - Afghanella elliptica - a link between Praesumatrina and Sumatrina. 微体古生物学报 - Acta Micropalaeontologica Sinica. 13(3): 287-294.