New material of Macralethopteris from the Early Permian Jambi flora (Middle Sumatra, Indonesia) and its palaeoecological implications

被引:13
|
作者
Booi, Menno [1 ,2 ]
van Waveren, Isabel M. [1 ]
Cittert, Johanna H. A. Van Konijnenburg-Van [1 ,2 ]
de Boer, Poppe L. [3 ]
机构
[1] Natl Museum Nat Hist, NL-2300 RA Leiden, Netherlands
[2] NHN PITA, NL-2333 CC Leiden, Netherlands
[3] Univ Utrecht, Dept Earth Sci, NL-3584 CD Utrecht, Netherlands
关键词
Early Permian; Cathaysia flora; seed ferns; alethopterids; Macralethopteris;
D O I
10.1016/j.revpalbo.2008.04.009
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
New material of the Early Permian alethopterid genus Macralethopteris is examined in detail. The material stems from different locations and statistical comparison of the morphological differences between collections suggests that the material is derived from several populations of a single species. Comparison is made with related Cathaysian and Euramerican species, showing the isolated occurrence of Macralethopteris in the Cathaysian region. Characteristics of the species and possible ecological implications suggest that Macralethopteris hallei grew in more mesic circumstances than usually associated with alethopterids. It is argued that M. hallei might have been a relatively small alethopterid with possible cormous growth. (c) 2008 Published by Elsevier B.V.
引用
收藏
页码:101 / 112
页数:12
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