Ibyka

Ibyka; Temporal range: Middle Devonian to Upper Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	†Cladoxylopsida
Order:	†Iridopteridales
Genus:	†Ibyka
Species
	†Ibyka amphikoma; †Ibyka vogtii

Ibyka is an extinct genus of Iridopteridales, and a possible ancestor to horsetails.[1]
The name comes from the poet Ibykos because the discovery of the fossil was due to the activity of construction cranes during the construction of the Gilboa Dam. [2][3] The probable relationships within Equisetopsida are shown in the cladogram below. The position where Ibyka would be has been added.[4]

†Ibyka(?)

†Pseudobornia ursina

†Sphenophyllales

†Archeocalamitaceae

†Calamitaceae

	Equisetaceae

References

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.
Skog, J.E.; Banks (1973). "H.P.". American Journal of Botany. 60: 366–380.
Moran, Robbin (2004). A natural history of ferns (1 ed.). Timber Press.
"Introduction to the Sphenophyta". University of California Museum of Paleontology. Retrieved 31 July 2011.

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[1] 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.

[Skog&Banks-2] Skog, J.E.; Banks (1973). "H.P.". American Journal of Botany. 60: 366–380.

[Moran-3] Moran, Robbin (2004). A natural history of ferns (1 ed.). Timber Press.

[4] "Introduction to the Sphenophyta". University of California Museum of Paleontology. Retrieved 31 July 2011.