Kalpana Kalpana

Hamatophyton

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Kingdom  Plantae
Class  Equisetopsida
Rank  Genus
Division  Pteridophyta
Order  â€ Sphenophyllales
Similar  Sphenophyllales, Pseudosporochnales, Calamitaceae, Sphenophyllum, Stigmaria

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.

References

Hamatophyton Wikipedia


Similar Topics
Calamitaceae
Pseudosporochnales
Sphenophyllales
Topics