Ibyka

Ibyka; Temporal range: Middle Devonian–Upper Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	†Cladoxylopsida
Order:	†Ibykales
Family:	†Ibykaceae
Genus:	†Ibyka; Skog & Banks (1973)
Type species
	Ibyka amphikoma; Skog & Banks (1973)
Species
	†I. amphikoma Skog & Banks (1973); †I. vogtii (Høeg 1942) Berry (2005);

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 added.^[4]

?†Ibyka

†Pseudobornia ursina

†Sphenophyllales

†Archaeocalamitaceae

	†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. doi:10.1002/j.1537-2197.1973.tb05937.x.
^ 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. doi:10.1002/j.1537-2197.1973.tb05937.x.

[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.

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