'Hyenia' vogtii Hoeg from the Middle Devonian of Spitsbergen -: Its morphology and systematic position

被引：15

作者：

Berry, CM ^{[1
]}

机构：

[1] Univ Cardiff Wales, Sch Earth Ocean & Planetary Sci, Cardiff CF10 3YE, Wales

来源：

REVIEW OF PALAEOBOTANY AND PALYNOLOGY | 2005年 / 135卷 / 1-2期

关键词：

Iridopteridales; Ibyka; Hyenia; Svalbard; Middle Devonian;

D O I：

10.1016/j.revpalbo.2005.03.001

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Certain characters of the branching patterns of Hyenia vogtii Hoeg (Pseudosporochnus vogtii (Hoeg) Schweitzer) from the Middle Devonian (Givetian) of Spitsbergen, Svalbard, are clarified. Branching is predominantly whorled. In a whorl, dichotomous appendages form the majority of the subtending organs, but the position of an appendage may be taken by a branch. This patient is typical of plants of the Middle and Late Devonian group Iridopteridales and fits within the generic circumscription of the genus Ibyka Skog and Banks to which it is transferred under the name Ibyka vogtii (Hoeg) Berry comb. nov. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：109 / 116

页数：8

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