T.Moore (1 species)
* Zamia (90 species)
* Microcycas (1 species)
* +Eostangeria (3 species, Cenozoic, Europe, North America)
* +Eobowenia (1 species, Early Cretaceous, Argentina)
* +Wintucycas (2 species, Late Cretaceous-Paleocene, Argentina)
* +Restrepophyllum