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Taxon:
Class
Isoëtopsida
Rolle (1884)
(plant)
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Hierarchy
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Entity:
Lycopodiophytina (Subphylum)
..Lycopodiopsida (Class)
..Isoëtopsida (Class)
....Isoëtales (Order)
....†Lepidodendrales (Order)
....†Pleuromeiales (Order)
....†Protolepidodendrales (Order)
....Selaginellales (Order)
Concise hierarchy
(Kingdom)
Plantae
-
(Phylum)
Tracheophyta
Current position
Lycopodiophytina
(Subphylum)
Reveal (1996)
Ref:
Новіков, А. & Барабаш-Красни, Б. / Novikoff, A. & Barabasz-Krasny, B., 2015
: 46; Morris et al., 2018: Suppl. (p. [9]); Cantino & Donoghue, 2020: [237].
[inferred]
Alternative positions
Isoëtophytina
(Subphylum)
Doweld (2001)
Ref:
A.B. Doweld, 2001
: IV.
[
new position
]
Lycopodiophyta
(Division)
D.H.Scott (1900)
Ref:
Новіков, А. & Барабаш-Красни, Б. / Novikoff, A. & Barabasz-Krasny, B., 2015
: 46.
Historical positions
Lycopodiophyta
(Division)
D.H.Scott (1900)
Ref:
A. Novikoff & B. Barabasz-Krasny, 2015
: 46.
Isoëtophytina
(Subphylum)
Doweld (2001)
Ref:
A.B. Doweld, 2001
: IV.
[
new position
]
Number of Subtaxa
2025
Available in Systema Naturae 2000
2o;2f;2g;7s; †3o;22f;58g;5s
1989-present
Systema Naturae 2000
: 16 Jun 2023
[2o;2f;2g; †3o;22f;58g]
2015
A. Novikoff & B. Barabasz-Krasny
: 47
[2o;2f;2g; †2o;12f;31g]
2001
A.B. Doweld
: IV
[1o;1f; †1o;3f]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025