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利用扫描电子显微镜观察类Ｐｒｏｔｒｉｔｉｃｉｔｅｓ的旋壁构造，重点研究了透明层、蜂巢层的超微构造特征，并分别与Ｆｕｓｕｌｉｎｅｌａ和Ｔｒｉｔｉｃｉｔｅｓ旋壁中的类似构造进行了对比。结果表明，Ｐｒｏｔｒｉｔｉｃｉｔｅｓ内部壳圈的透明层与Ｆｕｓｕｌｉｎｅｌａ相似，但整体发育状况较差；与以Ｔｒｉｔｉｃｉｔｅｓ为代表的典型的蜂巢层相比，组成Ｐｒｏｔｒｉｔｉｃｉｔｅｓ外部壳圈旋壁蜂巢构造的方解石晶体在形状、定向及排列方式上具有较原始的特征，代表了类Ｆｕｓｕｌｉｎｅｌａ→Ｐｒｏｔｒｉｔｉｃｉｔｅｓ→Ｍｏｎｔｉｐａｒｕｓ→Ｔｒｉｔｉｃｉｔｅｓ演化系列中旋壁蜂巢层的原始状态。Ｐｒｏｔｒｉｔｉｃｉｔｅｓ的原始蜂巢层构成了随后类希瓦格科旋壁蜂巢层进一步发育、演化的基础
Scanning electron microscopy (SEM) was used to observe the spin wall structure of the Prothaloidites. The ultrastructural features of the clear and honeycomb layers were investigated, and their structures were compared with those of the Fusulinela and Triticites respectively. The results showed that the transparent layer of inner shell of Protriticites was similar to Fusulinela, but its overall development was poor. Compared with the typical honeycomb layer represented by Triticites, the calcite crystal composed of the inner wall of the Protriticites outer shell swirled in the shape and orientation And the arrangement has the more primitive features, representing the original state of the spiral wall honeycomb layer in the Fusulinela → Protriticites → Montiparus → Triticites series. The original honeybee layer of the Protriticites formed the basis for further development and evolution of the subsequent Cyclotella var.