Article · Wikipedia archive · Last revised Jun 26, 2026

Cycadeoidaceae

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, with thick, branchless trunks covered in scale leaves.

Last revised
Jun 26, 2026
Read time
≈ 1 min
Length
110 w
Citations
1
Source
Wikipedia ↗
Cycadeoidaceae
Temporal range:
Life reconstruction of Cycadeoidea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
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.

Cycadeoidea_sp
Cycadeoidea (a member of the Cycadeoidaceae) on display at the Naturmuseum Senckenberg source ↗
References

References

  1. Watson, Joan; Lydon, Susannah J (2004). "The bennettitalean trunk genera Cycadeoidea and Monanthesia in the Purbeck, Wealden and Lower Greensand of southern England: A reassessment". Cretaceous Research. 25: 1–26. doi:10.1016/j.cretres.2003.10.003.