Cycadeoidea
Cycadeoidea
Life | Eukaryota | Plantae | Spermatophyta | Pinophyta | Bennettitales | Bennettitaceae | Cycadeoidea
unranked clade | kingdom | kingdom | phylum | phylum | order | family | genus
C. Linnaeus 1758 | É. Chatton 1925 | E. Haeckel 1866 | L. J. Hickey 1977 | J. L. Reveal 1996 | P. Kenrick and P.R. Crane 1997 | S. V. Meyen 1984 | J. Watson and C. A. Sincock 1992