A new genus Navipelta (Peltaspermales, Pteridospermae) from the Permian/Triassic boundary deposits of the Moscow syneclise

被引：0
|
作者：
E. V. Karasev
机构：
[1] Borissiak Paleontological Institute of the Russian Academy of Sciences,
来源：
Paleontological Journal | 2009年 / 43卷
关键词：
Peltaspermaceae; ovuliferous organs; Permian/Triassic boundary; Vetlugian Group; systematics;
D O I：
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中图分类号：
学科分类号：
摘要：
A new genus of peltaspermalean ovuliferous organs Navipelta gen. nov. is described from the terrestrial deposits of the Nedubrovo locality (village of Nedubrovo, Vologda Region, Russia), belonging to the base of Vetlugian Group (Upper Permian-Lower Triassic). Data on the anatomy of the peltate bilateral ovuliferous organs are obtained for the first time. Vascular strands in the peltoid depart from that of a stalk and branch up to three times distally. Transfusion tissue around the vascular strands is well developed. The new genus had a system of radially arranged resin canals, broaden into large secretory cavities.
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页码：1262 / 1271
页数：9
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