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Taxon:
Order †
Trigonocarpales
- medullosans
(plant)
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Entity:
Cycadopsida (Class)
..Cycadidae (Subclass) - cycads
..Zamiidae (Subclass)
..[†Trigonocarpales] (Order) - medullosans
....[†Potonieaceae] (Family)
....†Trigonocarpaceae (Family)
Concise hierarchy
(Kingdom)
Plantae
-
(Phylum)
Tracheophyta
-
(Class)
Cycadopsida
Current position
Cycadopsida
(Class)
Brongn. (1843)
Ref:
C.J. Cleal & B.A. Thomas, 1995
: 13.
Historical positions
Cycadopsida
(Class)
Brongn. (1843)
Ref:
C.J. Cleal & B.A. Thomas, 1995
: 13.
Number of Subtaxa
2024
Available in Systema Naturae 2000
†2f;2g;1s
1989-present
Systema Naturae 2000
: 30 Aug 2022
[; †2f]
1995
C.J. Cleal & B.A. Thomas
: 13
[; †2f]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024