Contents 1 Phylogeny 2 Taxonomy 3 References 4 External links


Phylogeny[edit] Progymnosperms are a paraphyletic grade of plants.[4][5] Tracheophyta †Rhyniopsida Lycopodiophytina (Clubmosses, Spikemosses & Quillworts) †Eophyllophyton †Trimerophytopsida Moniliformopses Polypodiophytina (Ferns) Radiatopses  †Pertica  Lignophytes  †Aneurophytopsida  Metalignophytes  †Archaeopteridopsida   †Protopityales Nemejc 1963   Spermatophytina (Seed plants) Progymnosperm


Taxonomy[edit] An updated classification of Progynopserms based on the work by Novíkov & Barabaš-Krasni 2015[6] with plant taxon authors from Anderson, Anderson & Cleal 2007[7] Genus †Pertica Kasper & Andrews 1972 Order †Cecropsidales Stubblefield 1969 Family †Cecropsidaceae Stubblefield 1969 Order †Protopityales Nemejc 1963 Family †Protopityaceae Solms-Laubach 1893 Class †Noeggerathiopsida Krysht. 1934 Order †Noeggerathiales Darrah 1939 Family †Noeggerathiaceae Göpp. ex von Eichwald 1854 Order †Discinitales Doweld 2001 Family †Discinitaceae Gao & Thomas 1994 Order †Tingiales Zimmermann 1959 Family †Tingiaceae Koidzumi 1938 [Tingiostachyaceae Gao 1987] Class †Aneurophytopsida Bierhorst ex Takhtajan 1978 [Protopteridiopsida] Order †Aneurophytales Kräusel [Protopteridiales Hoeg 1942] Family †Aneurophytaceae Kräusel & Weyland 1941 [Protopteridiaceae (Kräusel 1932) Kräusel & Weyland 1941] Family †Protokalonaceae Barnard & Long 1975 Class †Archaeopteridopsida Takhtajan 1978 Order †Archaeopteridales Zimmermann 1930 [Siderallales Nemejc 1963; Svalbardiales Nemejc 1963] Family †Archaeopteridaceae Schmalhausen 1894 [Siderallaceae Nemejc 1961; Svalbardiaceae (Zimmermann 1950) Novak 1961]


References[edit] ^ Stewart, W.N.; Rothwell, G.W. (1993). Paleobiology and the evolution of plants. Cambridge University Press. p. 521pp.  ^ Lang, W. H. (1925). "Contributions to the study of the Old Red Sandstone flora of Scotland. I. On plant-remains from the fish-beds of Cromarty. II. On a sporangium-bearing branch-system from the Stromness Beds." Transactions of the Royal Society of Edinburgh, 54: 253-279. ^ Serlin, B. S. & Banks, H. P. (1978). "Morphology and anatomy of Aneurophyton, a progymnosperm from the Late Devonian of New York. Palaeontographica Americana, 8: 343-359. ^ Crane, P.R.; Herendeen, P. & Friis, E.M. (2004), "Fossils and plant phylogeny", American Journal of Botany, 91: 1683–99, doi:10.3732/ajb.91.10.1683, PMID 21652317  ^ Pelletier (2012). "Empire biota: taxonomy and evolution 2nd ed". Lulu.com: 354. ISBN 1329874005.  ^ Novíkov & Barabaš-Krasni (2015). "Modern plant systematics". Liga-Pres: 685. doi:10.13140/RG.2.1.4745.6164. ISBN 978-966-397-276-3.  ^ Anderson, Anderson & Cleal (2007). "Brief history of the gymnosperms: classification, biodiversity, phytogeography and ecology". Strelitzia. SANBI. 20: 280. ISBN 978-1-919976-39-6. 


External links[edit] Progymnospermophyta Botany: an introduction to plant biology This plant article is a stub. You can help Wikipedia by expanding it. v t e This paleobotany-related article is a stub. You can help Wikipedia by expanding it. v t e Retrieved from "https://en.wikipedia.org/w/index.php?title=Progymnosperm&oldid=773656310" Categories: Middle Devonian first appearancesMiddle Devonian plantsMississippian plantsMississippian extinctionsLate Devonian plantsPlant stubsPaleobotany stubsHidden categories: Articles with 'species' microformatsAll stub articles


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