Английская Википедия:Archeocalamitaceae
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Шаблон:Short description Шаблон:Taxobox
Archeocalamitaceae is a family of extinct sphenopsids related to horsetails. Archeocalamite 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, archeocalamites may have had a subcosmopolitan distribution. Шаблон:Citation needed
Taxonomy
Possible relationships archeocalamites has with other sphenopids is shown below.[4] Шаблон:Clade
References