| Cycadeoidaceae Temporal range:
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| Cycadeoidea (a member of the Cycadeoidaceae) on display at the Naturmuseum Senckenberg | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Order: | †Bennettitales |
| Family: | †Cycadeoidaceae |
| Genera | |
Cycadeoidaceae is a family of bennettitalean plants which flourished in the Mesozoic era. Two genera, Cycadeoidea and Monanthesia, are currently recognised though most species are poorly known.[1] They had a similar morphology to cycads, with thick, branchless trunks covered in scale leaves.