Pterophyllum braunianum (Göppert, 1844) species accepted

Zamia taxina (Lindley & Hutton, 1835) species accepted

Palaeozamia taxina (Lindley & Hutton, 1835) species synonym

Pterozamites linearis (Emmons, 1857) species accepted

Pterophyllum decussatum (Emmons, 1856) species synonym

Pterozamites abbreviatus Braun, 1843 species synonym

Pterozamites decussatus (Emmons, 1856) species synonym

Pterozamites obtusifolius (Rogers, 1843) species synonym

Ctenophyllum emmonsi Fontaine, 1883 species synonym

Pterophyllum spatulatum (Emmons, 1857) species synonym

Zamites obtusifolius (Rogers, 1843) species synonym

Ctenophyllum robustum (Emmons, 1857) species synonym

Ctenophyllum lineare (Emmons, 1857) species synonym

Ctenophyllum taxinum (Lindley & Hutton, 1835) species synonym

Pterozamites spatulatus (Emmons, 1857) species synonym

Ctenophyllum giganteum Fontaine, 1883 species accepted

Ctenophyllum truncatum Fontaine, 1883 species accepted

Ctenophyllum latifolium Fontaine, 1889 species accepted

Ctenophyllum grandifolium Fontaine, 1883 species accepted

Ctenophyllum braunianum (Göppert, 1844) species synonym

Ctenophyllum wardii Fontaine, 1896 species accepted

Pterophyllum robustum (Emmons, 1857) species accepted

Ctenophyllum densifolium Fontaine, 1896 species accepted

Ctenophyllum pachynerve Fontaine, 1905 species accepted

Ctenophyllum wannerianum Fontaine, 1900 species accepted

Ctenophyllum angustifolium Fontaine, 1896 species accepted