Early Tremadocian (Ordovician) graptolite biostratigraphy and correlation

被引：5
|
作者：
Maletz, Jcrg [1 ]
Wang, Xiao-Feng [2 ,3 ]
Wang, Chuan-Shang [2 ,3 ]
机构：
[1] Free Univ Berlin, Inst Geol, Berlin, Germany
[2] Wuhan Ctr China Geol Survey, Innovat Ctr Geol Sci & Technol Cent South China, Wuhan, Peoples R China
[3] Wuhan Ctr China Geol Survey, Hubei Key Lab Paleontol & Geol Environm Evolut, Wuhan, Peoples R China
来源：
PALAEOWORLD | 2023年 / 32卷 / 01期
关键词：
Ordovician; Tremadocian; graptolite biostratigraphy; Rhabdinopora; XIAOYANGQIAO SECTION; BOUNDARY STRATOTYPE; NORTH CHINA; TAXONOMY; DAYANGCHA; SERIES; POINT; BASE;
D O I：
10.1016/j.palwor.2022.03.010
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
A revision of the early Tremadocian graptolites of the genus Rhabdinopora shows that Rhabdinopora proparabola from the Xiaoyang-qiao section, Dayangcha, North China is the oldest species of the genus. Early Tremadocian species of Rhabdinopora can be differentiated easily by the construction of their nemata. The earliest species, Rhabdinopora proparabola, lacks a nema, while a multibranched nema is present in Rhabdinopora campanulatum (= Rhabdinopora parabola). The Rhabdinopora proparabola, Rhabdinopora campanulatum, Rhab-dinopora flabelliformis (Anisograptus matanensis Biozone) and Rhabdinopora anglica biozones can be correlated worldwide. A short inter-val at the base of the Ordovician System does not contain any planktic graptolites.(c) 2022 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.
引用
收藏
页码：44 / 62
页数：19
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