四川龙门山东侧三叠纪眼形虫科新属种

• 作 者: 王乃文
• 机 构: 中国地质科学院地质研究所,
• 出 处: 地层古生物论文集
• 发表日期: 1986年02期
• 关键词: 属征 四川龙门山 诺利阶 初房 轴切面 平旋 旋壁 genera 壳形 fusiform

1975年作者在四川龙门山东侧三叠系中,发现了比较丰富的眼形虫科(Ophthalmidi- dae)有孔虫,有些可归入已知的眼形虫属(Ophthalmidium),但多数不能用已知属征概括。本文简要描述并倡议建立三个新属及所属六个新种。关于眼形虫类的分类,近十几年来有若干作者探讨过(如 Zaninetti 与 Br(?)nimann,1969;

In 1975, the authors found relatively abundant Ophthalmididae foraminifera in Triassic in the east of Longmen Mountain, Sichuan, and some are classified as Ophthalmidium, but most of them can not be used Known attributes summary. This article briefly describes and proposes the establishment of three new genera and six new species. There have been several authors (eg, Zaninetti and Br (?) Nimann, 1969;