Calamophyton

Calamophyton
Temporal range:
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Pteridophyta (?)
Class: Cladoxylopsida
Order: Pseudosporochnales
Family: Hyeniaceae
Genus: Calamophyton
R.Kräusel & H.Weyland, 1925
Species
  • C. primaevum (Kräusel & Weyland)
  • C. renieri (Leclercq)
  • C. bicephalum (Leclercq & Andrews)
  • C. forbesii (Schopf)

Calamophyton is an extinct genus of tree, or "tree-sized plant", that was extant in the Middle Devonian period. As of 2024, a well-preserved fossilized forest of Calamophyton trees discovered in Somerset, England, represents the earliest-known forest.