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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.