Pertica

Pertica; Temporal range:
Scientific classification
Kingdom:	Plantae
Clade:	Embryophytes
Clade:	Polysporangiophytes
Clade:	Tracheophytes
Clade:	Euphyllophytes
Genus:	†Pertica; Kasper & H.N.Andrews (1972)
Species
	P. dalhousii Doran et al. (1978) ; P. quadrifaria Kasper & H.N.Andrews (1972) ; P. varia Granoff et al. (1976) ;

Pertica is a genus of extinct vascular plants of the Early to Middle Devonian (around 420 to 380 million years ago). It has been placed in the "trimerophytes", a strongly paraphyletic group of early members of the lineage leading to modern ferns and seed plants.^[4]

^ ^a ^b Cite error: The named reference KasperAndrews1972 was invoked but never defined (see the help page).
^ Cite error: The named reference Doran1978 was invoked but never defined (see the help page).
^ Granoff, J.A.; Gensel, P.G. & Andrews, H.N. (1976), "A new species of Pertica from the Devonian of Eastern Canada", Palaeontographica Abteilung B, 155 (5–6): 119–128, cited in Gerrienne, P. (1997), "The fossil plants from the Lower Devonian of Marchin (northern margin of Dinant Synclinorium, Belgium). V. Psilophyton genseliae sp. nov., with hypotheses on the origin of Trimerophytina", Review of Palaeobotany and Palynology, 98 (3–4): 303–324, Bibcode:1997RPaPa..98..303G, doi:10.1016/S0034-6667(97)00010-9
^ Taylor, T.N.; Taylor, E.L. & Krings, M. (2009), Paleobotany, The Biology and Evolution of Fossil Plants (2nd ed.), Amsterdam; Boston: Academic Press, ISBN 978-0-12-373972-8, pp. 259-261

[KasperAndrews1972-1] Cite error: The named reference KasperAndrews1972 was invoked but never defined (see the help page).

[Doran1978-2] Cite error: The named reference Doran1978 was invoked but never defined (see the help page).

[3] Granoff, J.A.; Gensel, P.G. & Andrews, H.N. (1976), "A new species of Pertica from the Devonian of Eastern Canada", Palaeontographica Abteilung B, 155 (5–6): 119–128, cited in Gerrienne, P. (1997), "The fossil plants from the Lower Devonian of Marchin (northern margin of Dinant Synclinorium, Belgium). V. Psilophyton genseliae sp. nov., with hypotheses on the origin of Trimerophytina", Review of Palaeobotany and Palynology, 98 (3–4): 303–324, Bibcode:1997RPaPa..98..303G, doi:10.1016/S0034-6667(97)00010-9

[4] Taylor, T.N.; Taylor, E.L. & Krings, M. (2009), Paleobotany, The Biology and Evolution of Fossil Plants (2nd ed.), Amsterdam; Boston: Academic Press, ISBN 978-0-12-373972-8, pp. 259-261

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Pertica

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