Otozamites micrauritus Kimura & Kim, 1988 species accepted

Otopteris obtusa (Lindley & Hutton, 1834) species accepted

Otozamites obtusus (Lindley & Hutton, 1834) species synonym

Otozamites titaniae Watson & Sincock, 1992 species accepted

Otozamites acutifolius Feistmantel, 1879 species accepted

Otozamites angustatus Feistmantel, 1877 species accepted

Otozamites rarinervis Feistmantel, 1879 species accepted

Otozamites giganteus Thomas, 1911 species accepted

Zamites brevifolius (Braun, 1843) species accepted

Otozamites imbricatus Feistmantel, 1876 species accepted

Otozamites hislopii Oldham, 1877 species accepted

Otozamites bornholmensis Möller, 1902 species accepted

Otozamites pterophylloides Brongniart, 1870 species accepted

Palaeozamia bengalensis (Oldham, 1863) species accepted

Otozamites latior Saporta, 1873 species accepted

Otozamites vemavaramensis Bose & Jain, 1967 species accepted

Otozamites parallelus Feistmantel, 1879 species accepted

Otozamites abbreviatus Feistmantel, 1877 species synonym

Otozamites bengalensis (Oldham, 1863) species synonym

Otozamites oldhami Feistmantel, 1877 species synonym

Otozamites brevifolius (Braun, 1843) species synonym

Albertia latifolia Emmons, 1857 species synonym

Otozamites contiguus Feistmantel, 1876 species synonym

Otozamites carolinensis Fontaine, 1883 species accepted

Otozamites oregonensis Fontaine, 1905 species accepted

Otozamites macombii Newberry, 1859 species accepted

Otozamites archangelskyi Baldoni & Taylor, 1983 species accepted

Otozamites patagonicus Villar de Seoane, 2001 species accepted