Order Cycadales Dumortier 1829 (cycads)
PaleoDB taxon number: 55349
Parent taxon: Cycadopsida according to A. B. Doweld 2001
Sister taxa: Boweniaceae, Dioales, Gnetales, Lagenostomales, Stangeriaceae, Trigonocarpales, Welwitschiales
Subtaxa: Apoldia, Aricycas, Beaniaceae, Bucklandia, Cavamonocolpites, Crossozamiaceae, Cycadaceae, Dirhopalostachyaceae, Eucommiidites, Mesosingeria, Nilsonia, Nilsoniaceae, Pseudoctenis, Zamiaceae