Thecosomata in late Quternary deposits of ODP Holes 134-830A and 134-831A

We undertook a quantitative study of Thecosomata shells (pelagic gastropods) and their remains in Quaternary foraminiferal oozes deposited on the tilted calcareous platform of...我们针对沉积于……倾斜碳酸盐台地上的第四纪有孔虫软泥中的被壳翼足类（Thecosomata，远洋腹足类）壳体及其残骸开展了定量研究。