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Taxon:
Order †
Gigantopteridales
X.X.Li & Z.Q. Yao (1983)
(plant)
Taxa
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Hierarchy
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Entity:
†Phasmatocycadopsida (Class)
..†Phasmatocycadales (Order)
..†Gigantopteridales (Order)
....†Emplectopteridaceae (Family)
....†Gigantopteridaceae (Family)
....†Spermopteridaceae (Family)
Concise hierarchy
(Kingdom)
Plantae
-
(Phylum)
Tracheophyta
-
(Class)
Phasmatocycadopsida
Current position
†
Phasmatocycadopsida
(Class)
Doweld (2001)
Ref:
Новіков, А. & Барабаш-Красни, Б. / Novikoff, A. & Barabasz-Krasny, B., 2015
: 56.
Alternative positions
gymnosperms
([unranked])
Ref:
T.N. Taylor et al., 2009
: App. 1 (p. 1028).
Historical positions
†
Phasmatocycadopsida
(Class)
Doweld (2001)
Ref:
A. Novikoff & B. Barabasz-Krasny, 2015
: 56.
Other Gymnosperms
([unranked])
Ref:
T.N. Taylor et al., 2009
: App. 1 (p. 1028).
†
Phasmatocycadopsida
(Class)
Doweld (2001)
Ref:
A.B. Doweld, 2001
: XV.
[
new position
]
Number of Subtaxa
2024
Available in Systema Naturae 2000
†3f;15g;1s
1989-present
Systema Naturae 2000
: 17 Apr 2023
[; †3f;15g]
2015
A. Novikoff & B. Barabasz-Krasny
: 56
[; †3f;15g]
2001
A.B. Doweld
: XV
[; †3f]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024