A new marattialean fern from the Middle Triassic of eastern Australia

被引：0
作者：
Webb, JA [1 ]
机构：
[1] La Trobe Univ, Dept Earth Sci, Bundoora, Vic 3086, Australia
来源：
PROCEEDINGS OF THE LINNEAN SOCIETY OF NEW SOUTH WALES | 2001年 / 123卷
关键词：
palaeobotany; pteridophyta; marattiales; Middle Triassic; eastern Australia;
D O I：
暂无
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
The marattialean genus Marantoidea Jaeger is revised, and Danaeopsis Heer is shown to be a junior synonym of Marantoidea. Of the species formerly assigned to Danaeopsis, those that can be confirmed as marattialean are transferred to Marantoidea; many of the others are probably pteridosperms. The new species Marantoidea acara is described from the Middle Triassic Toogoolawah Group and Nymboida Coal Measures of eastern Australia. It is distinguished by the small size of its sporangia. The Triassic distribution of marattialeans in Gondwana indicates that these ferns had a similar temperature preference in the past to that today, and have probably had a megathermal-mesothermal distribution throughout their history.
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页码：215 / 224
页数：10
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