Archaeocalamitaceae is a family of extinct sphenopsids related to horsetails. Archaeocalamite fossils have been found in Siberia, Poland, and Brazil. The fossils date to the Middle Devonian-Carboniferous, lower Carboniferous (Dinantian), and the lower Permian respectively.[1][2][3] Given the distance of the fossil discoveries, archaeocalamites may have had a subcosmopolitan distribution.[citation needed]
Archaeocalamitaceae Temporal range: | |
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Archaeocalamites | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | Polypodiophyta |
Class: | Polypodiopsida |
Subclass: | Equisetidae |
Order: | Equisetales |
Family: | †Archaeocalamitaceae Koidz. |
Genera | |
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Taxonomy
Possible relationships archaeocalamites has with other sphenopids is shown below.[4]
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References
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