Calamites
Plant
Calamites is a genus of extinct arborescent horsetails to which the modern horsetails are closely related. Unlike their herbaceous modern cousins, these plants were medium-sized trees, growing to heights of 30–50 meters. They were components of... Wikipedia
Scientific name: Calamites
Class: Polypodiopsida
Order: Equisetales
Clade: Tracheophytes
Division: Polypodiophyta
Family: †Calamitaceae
Kingdom: Plantae
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