反映馬柯伊蛤

反映馬柯伊蛤（Maccoyella reflecta (Moore)）是採集於藏南地區崗巴群的岩石標本。

基本介紹

• 中文名：反映馬柯伊蛤
• 外文名：Maccoyella reflecta (Moore)
• 產地：藏南地區崗巴群
• 保存單位： 中國科學院南京地質古生物研究所

特徵描述

shell medium-sized, horizontally elliptical, aclinic, subequilaternal, moderately convex. umbo broad, centrical. antero-dorsal margin slightly oblique, postero-dorsal margin horizontal and straight. posterior wing small, without boundary with body of valve. surface ornament consisting of principal and intercalated secondary and more tertiary riblets; in addition, also ornamented with fine and close concentric growthlines.

主要用途

地層劃分與對比。