長形假胸針球接子

長形假胸針球接子（Pseudoperonopsis oblongus Lu et Lin, 1984）是採集於衢州市常山縣西陽山的化石標本。

基本介紹

• 中文名：長形假胸針球接子
• 外文名：Pseudoperonopsis oblongus Lu et Lin, 1984
• 產地：衢州市常山縣西陽山
• 保存單位： 中國科學院南京地質古生物研究所

特徵描述

This new species of represented by one cephalon and one exfoliated pygidium.It can be easily distinguished from Pseudoperonopsis orientalis sp.nov.and Pseudoperonopsis zuninoi Harrington and Leanza by:(1)the longer cephalon and pygidium;(2)the elongated glabella with a length greater than 2/3 the total cephalic length;(3)the glabellar median node located in front of the glabellar center,while those of the latter two species behind the glabellar center;and (4)the longer pygidial axis devoid of lateral furrows.

主要用途

地層劃分與對比。