Hamatophyton

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]

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

†Hamatophyton verticillatum

References
  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


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