Ptilophyllum sirkennethii Watson & Sincock, 1992 species accepted

Ptilophyllum sibleyae Watson & Sincock, 1992 species accepted

Polypodiolites pectiniformis (Sternberg, 1823) species accepted

Ptilophyllum pecten (Phillips, 1829) species synonym

Ptilophyllum cutchense Morris, 1840 species accepted

Ptilophyllum amarjolense Bose, 1953 species accepted

Ptilophyllum acutifolium Morris, 1840 species accepted

Ptilophyllum jabalpurense Jacob & Jacob, 1954 species accepted

Otozamites distans (Feistmantel, 1877) species accepted

Ptilophyllum institacallum Bose, 1959 species accepted

Ptilophyllum sahnii Gupta & Sharma, 1968 species accepted

Ptilophyllum sakrigaliensis Sah, 1958 species accepted

Ptilophyllum indicum Jacob & Jacob, 1954 species accepted

Ptilophyllum brachyphyllum Feistmantel, 1876 species accepted

Ptilophyllum oldhamii Jacob & Jacob, 1954 species accepted

Ptilophyllum sparsifolium Sharma, 1967 species accepted

Ptilophyllum guptae Sharma, 1967 species accepted

Ptilophyllum horridum Roy, 1967 species accepted

Ptilophyllum nipanica Vishnu-Mittre, 1957 species accepted

Cycadites pecten (Phillips, 1829) species accepted

Ptilophyllum gladiatum Bose & Sukh-Dev, 1958 species accepted

Ptilophyllum tenerrimum Feistmantel, 1877 species accepted

Zamia indica McClelland, 1850 species synonym

Palaeozamia acutifolium Morris, 1863 species synonym

Ptilophyllum pectiniformis (Sternberg, 1823) species synonym

Palaeozamia rigida Oldham, 1863 species synonym

Palaeozamia cutchensis Morris, 1863 species synonym

Palaeozamia affinis Morris, 1863 species synonym

Zamia theobaldii McClelland, 1850 species synonym

Ptilophyllum distanse (Feistmantel, 1877) species synonym

Ptilophyllum marksilveri Watson & Sincock, 1992 species accepted

Ptilophyllum ashleyi Watson & Sincock, 1992 species accepted

Ptilophyllum sirfredii Watson & Sincock, 1992 species accepted

Ptilophyllum muelleri Ettingshausen, 1886 species accepted

Ptilophyllum antarcticum Archangelsky & Baldoni, 1972 species accepted

Ptilophyllum valvatum Villar de Seoane, 2001 species accepted

Anomozamites muelleri Ettingshausen, 1886 species synonym

Ptilophyllum menendezii Cantrill, 2000 species accepted