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Ancestral taxa
Domain: Eukaryota  [Taxonomy; edit]
Kingdom: Plantae  [Taxonomy; edit]
Clade: Streptophyta  [Taxonomy; edit]
Clade: Embryophytes  [Taxonomy; edit]
Clade: Polysporangiophytes  [Taxonomy; edit]
Clade: Tracheophytes  [Taxonomy; edit]
Clade: Spermatophytes  [Taxonomy; edit]
Division: Pteridospermatophyta  [Taxonomy; edit]
Order: Calamopityales  [Taxonomy; edit]

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Parent: Pteridospermatophyta [Taxonomy; edit]
Rank: ordo (displays as Order)
Link: Calamopityales
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references:
Parent's taxonomic references: