| 词条 | Ibyka |
| 释义 |
| name = Ibyka | fossil_range = {{Geological range/linked|Middle Devonian|Upper Devonian}} | image = | image_caption = | regnum = Plantae | divisio = Pteridophyta | classis = †Cladoxylopsida | ordo = †Iridopteridales | genus = †Ibyka | subdivision_ranks = Species | subdivision =†Ibyka amphikoma †Ibyka vogtii }}Ibyka is an extinct genus of Iridopteridales, and a possible ancestor to horsetails.[1] The probable relationships within Equisetopsida are shown in the cladogram below. The position where Ibyka would be has been added.[2] {{clade|style=line-height:100%;|1={{clade |1=†Ibyka(?) |2={{clade |1=†Pseudobornia ursina |2={{clade |1=†Sphenophyllales |2={{clade |1=†Archeocalamitaceae |2={{clade |1=†Calamitaceae |2={{clade |1=Equisetaceae }} }} }} }} }} }} }} References1. ^Thomas N. Taylor, Edith L. Taylor, Michael Krings: Paleobotany. The Biology and Evolution of Fossil Plants . Second Edition, Academic Press 2009, {{ISBN|978-0-12-373972-8}} , p. 398-400. {{Taxonbar|from=Q5493416}}2. ^{{cite web|title=Introduction to the Sphenophyta|url=http://www.ucmp.berkeley.edu/plants/sphenophyta/sphenophyta.html|publisher=University of California Museum of Paleontology|accessdate=31 July 2011}} 2 : Ferns|Devonian plants |
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