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.
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. The probable relationships within Equisetopsida are shown in the cladogram below. The position where Ibyka would be added.

?†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.