Hamatophyton
Hamatophyton Temporal range: Famennian–Tournaisian | |
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Scientific classification | |
Kingdom: | Plantae |
Division: | Pteridophyta |
Class: | Equisetopsida |
Order: | †Sphenophyllales |
Genus: | Hamatophyton |
Species | |
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
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