Calamitaceae

Calamitaceae is an extinct family of equisetalean plants related to the modern horsetails, known from the Carboniferous and Permian periods. Some members of this family like Arthropitys attained tree-like stature, with heights over 15 m, with extensive underground rhizomes. They were largely found in wetland environments.

Proposed genera and species of Calamitaceae

 * Annularia.
 * A. stellata.
 * Arthropitys.
 * Asterophyllites (or incorrectly Asterophyllum).
 * Astromyelon.
 * Calamites.
 * C. carinatus.
 * C. suckowi.
 * C. undulatus.
 * Calamocarpon.
 * Calamostachys.
 * C. binneyana.
 * Cingularia.
 * Mazostachys.
 * Paleostachya.