Subfamily Encephalartoideae Stevenson (cycads)
Cycadopsida - Cycadales - Zamiaceae
Parent taxon: Zamiaceae according to D. Stevenson 1992
Sister taxa: Bororoa, Bowenia, Brunoa, Ceratozamia, Lepidozamia, Macrozamia, Pterostoma, Restrepophyllum, Worsdellia, Zamia
Subtaxa: Encephalarteae
Distribution: