1 st member of Shahejie Formation

1-2 member of Xujiahe Formation

1st member of Nenjiang Formation

Ⅰ-type member of corrugated web

2(superscript nd) member of Shanxi Formation

2~nd member of Xujiahe formation

2nd member of Shanxi Formation

2nd member of Xujiahe Formation

3(superscript rd) Member of Shahejie Formation

3rd member of Quantou Formation

3rd member of Shahejie Formation

3rd member of the Lingshui formation

4th member of the Shahejie Formation

4-tuple fuzzy member

6th oil-bearing member of Yanchang Formation

Ⅶ Oil Formation of He-3 member

800-member

8th member of Yan formation

a Democratic party member

a founding member