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本文对松辽盆地白垩纪嫩江组介形类化石壳体表面毛细管孔的显微构造特征研究表明，白垩纪嫩江组沉积时期，松辽古湖盆应为一陆相沉积体系，其水体性质应为淡水—少盐水的古湖泊环境。
The microstructure characteristics of capillary pores in the Mesozoic fossil shells in Nenjiang Formation of the Cretaceous in the Songliao Basin indicate that the Songliao ancient lake basin should be a continental sedimentary system during the Cretaceous Nenjiang Formation deposition. For fresh water - less saline ancient lake environment.