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.
They had a similar morphology to
cycads
Cycads are seed plants that typically have a stout and woody ( ligneous) trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, that is, individual plants of a species are either male or ...
, with thick, branchless trunks covered in
scale leaves
In plant morphology, a cataphyll (sometimes also called a ''cataphyllum'' or cataphyll leafJackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Derivation and Accent; Published by Gerald Duckworth & Co. London, 4th ed 1928) is a reduce ...
.
References
Bennettitales
Jurassic plants
Cretaceous plants
Prehistoric plant families
Jurassic first appearances
Cretaceous extinctions
{{cretaceous-plant-stub