Hamatophyton

Hamatophyton; Temporal range: Famennian–Tournaisian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	Equisetopsida
Order:	†Sphenophyllales
Genus:	Hamatophyton
Species
	†Hamatophyton verticillatum

Hamatophyton is a genus of the extinct Sphenophyllales horsetails. Unique to this genus among other Sphenophyllales is its lack of secondary xylem around the tips of the primary xylem arms.^[1]

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. 333

This paleobotany-related article is a stub. You can help Wikipedia by .

[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. 333

[1]