A certification method to the relationship between polhode cone and herpolhode cone is given when the rigid body is in a fixed point motion.

摘要给出了刚体定点运动时本体面与空间面间关系证明方法。

The results indicate that the spores are yellowish, monolete, without perispore and bearing granular ornamentation on the exospore.They are bean-shaped in equatorial view and elliptical in polar view.

孢子黄色，具单裂缝，赤道面观豆形，面观椭圆形，具周壁，孢子外壁局部具大小颗粒状纹饰。