| 词条 | Hamatophyton |
| 释义 |
| fossil_range = {{fossil range|Famennian|Tournaisian}} | image = | image_caption = | regnum = Plantae | divisio = Pteridophyta | classis = Equisetopsida | ordo = †Sphenophyllales | genus = Hamatophyton | subdivision_ranks = Species | subdivision = †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] References1. ^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 {{Taxonbar|from=Q5644158}}{{paleobotany-stub}} 9 : Equisetopsida|Late Devonian plants|Mississippian plants|Prehistoric plant genera|Late Devonian first appearances|Mississippian extinctions|Famennian life|Tournaisian life|Famennian genus first appearances |
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