大型扇蜚螊（Rhipidoblattina magna Zhang, 1997）是採集於志新盆地的岩石標本。
基本介紹
- 中文名：大型扇蜚螊
- 外文名：Rhipidoblattina magna Zhang, 1997
- 產地：志新盆地
- 保存單位：國家岩礦化石標本資源共享平台
特徵描述,主要用途,
特徵描述
Tegmen elongate distinctly long with the ratio of length to width being 4:1. Vein sc straight, branching into 2 at middle and ending in costal margin; vein R slightly convex before the middle and then becoming straight,with 15 comblike branches; radial area about half the tegmen width; vein M divided into 2 branches, the former branching 3 times and forming 4 branches with many secondary branches near apex; the later with 3 branches; vein CuA first branching of vein M, anal area not high; vein A with 10 branches; tegmen without intercalary veins and crossveins.
主要用途
地層劃分與對比
