Archaeocalamitaceae

Archaeocalamitaceae; Temporal range: Middle Devonian–Lower Permian PreꞒ Ꞓ O S D C P T J K Pg N
	Archaeocalamites
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Subclass:	Equisetidae
Order:	Equisetales
Family:	†Archaeocalamitaceae; Koidz.
Genera
	†Archaeocalamites; †Paragiridia; †Radiatus; †Scrobiculatus;

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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]}

Taxonomy

Possible relationships archaeocalamites has with other sphenopids is shown below.^[4]

?†Ibyka

†Pseudobornia ursina

†Sphenophyllales

†Archaeocalamitaceae

	†Calamitaceae

	Equisetaceae

References

^ LESZCZYŃSKI, Krzysztof; WAKSMUNDZKA, Marta (2015-01-01). "ŚRODOWISKA SEDYMENTACJI I PALINOFACJE KREDY DOLNEJ W OTWORACH WIERTNICZYCH CIECHOCINEK IG 3, MSZCZONÓW IG 1 I KORABIEWICE PIG 1". Biuletyn Państwowego Instytutu Geologicznego. 457 (457): 1–14. doi:10.5604/08676143.1113252. ISSN 0867-6143.
^ Faculty of Mining and Geology, Belgrade, Serbia; Radonjić, Miloš (2020-10-26). "Hyperpycnites within the Devonian-Carboniferous flysch of the Carpatho-Balkanides (Kostadinovica, eastern Serbia)". Geologia Croatica. 73 (3): 131–142. doi:10.4154/gc.2020.13.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Boardman, Daiana Rockenbach; Iannuzzi, Roberto; Dutra, Tânia Lindner (2016-10-01). "A new genus of Sphenopsida from the Lower Permian of the Paraná Basin, Southern Brazil". Review of Palaeobotany and Palynology. 233: 44–55. Bibcode:2016RPaPa.233...44B. doi:10.1016/j.revpalbo.2016.07.004. ISSN 0034-6667.
^ "Systematics of the Sphenophyta". ucmp.berkeley.edu. Retrieved 2023-08-12.

[1] LESZCZYŃSKI, Krzysztof; WAKSMUNDZKA, Marta (2015-01-01). "ŚRODOWISKA SEDYMENTACJI I PALINOFACJE KREDY DOLNEJ W OTWORACH WIERTNICZYCH CIECHOCINEK IG 3, MSZCZONÓW IG 1 I KORABIEWICE PIG 1". Biuletyn Państwowego Instytutu Geologicznego. 457 (457): 1–14. doi:10.5604/08676143.1113252. ISSN 0867-6143.

[2] Faculty of Mining and Geology, Belgrade, Serbia; Radonjić, Miloš (2020-10-26). "Hyperpycnites within the Devonian-Carboniferous flysch of the Carpatho-Balkanides (Kostadinovica, eastern Serbia)". Geologia Croatica. 73 (3): 131–142. doi:10.4154/gc.2020.13.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[3] Boardman, Daiana Rockenbach; Iannuzzi, Roberto; Dutra, Tânia Lindner (2016-10-01). "A new genus of Sphenopsida from the Lower Permian of the Paraná Basin, Southern Brazil". Review of Palaeobotany and Palynology. 233: 44–55. Bibcode:2016RPaPa.233...44B. doi:10.1016/j.revpalbo.2016.07.004. ISSN 0034-6667.

[4] "Systematics of the Sphenophyta". ucmp.berkeley.edu. Retrieved 2023-08-12.

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