Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.

Ancestral taxa
Domain: Eukaryota  [Taxonomy; edit]
Clade: Diaphoretickes  [Taxonomy; edit]
Clade: CAM  [Taxonomy; edit]
Clade: Archaeplastida  [Taxonomy; edit]
Kingdom: Plantae  [Taxonomy; edit]
Clade: Streptophyta  [Taxonomy; edit]
Clade: Embryophytes /Plantae  [Taxonomy; edit]
Clade: Polysporangiophytes /Plantae  [Taxonomy; edit]
Clade: Tracheophytes /Plantae  [Taxonomy; edit]
Clade: Spermatophytes /Plantae  [Taxonomy; edit]
Clade: Gymnospermae  [Taxonomy; edit]
Division: Cycadophyta  [Taxonomy; edit]
Class: Cycadopsida  [Taxonomy; edit]
Order: Cycadales  [Taxonomy; edit]
Suborder: Zamiineae  [Taxonomy; edit]
Family: Zamiaceae  [Taxonomy; edit]
Subfamily: Encephalartoideae  [Taxonomy; edit]
Tribe: Diooeae  [Taxonomy; edit]
Genus: Dioon  [Taxonomy; edit]


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Parent: Diooeae [Taxonomy; edit]
Rank: genus (displays as Genus)
Link: Dioon
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: Stevenson, Dennis Wm. (1992). "A formal classification of the extant cycads". Brittonia. 44 (2): 220–223. doi:10.2307/2806837. ISSN 0007-196X. JSTOR 2806837. S2CID 41438950.
Parent's taxonomic references: Stevenson, Dennis Wm. (1992). "A formal classification of the extant cycads". Brittonia. 44 (2): 220–223. doi:10.2307/2806837. ISSN 0007-196X. JSTOR 2806837. S2CID 41438950.