Article · Wikipedia archive · Last revised Jun 30, 2026

Ptilophyllum

Ptilophyllum is an extinct form genus of leaves belonging to the extinct seed plant order Bennettitales. The leaves, like other Bennettitales morphogenera are generally pinnate. Leaves possibly attributable to the genus are known from the Oligocene of Australia, which may be the last known representatives of the order.

Last revised
Jun 30, 2026
Read time
≈ 1 min
Length
114 w
Citations
1
Source
Ptilophyllum
Temporal range: Possible Oligocene record
Fossil of Ptilophyllum grandifolium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Order: Bennettitales
Family: Williamsoniaceae
Genus: Ptilophyllum
Type species
Ptilophyllum acutifolium
Morris, 1840

Ptilophyllum is an extinct form genus of leaves belonging to the extinct seed plant order Bennettitales. The leaves, like other Bennettitales morphogenera are generally pinnate. Leaves possibly attributable to the genus are known from the Oligocene of Australia, which may be the last known representatives of the order.1

References

References

  1. McLoughlin, Stephen; Carpenter, Raymond J.; Pott, Christian (2011). "Ptilophyllum muelleri (Ettingsh.) comb. nov. from the Oligocene of Australia: Last of the Bennettitales?". International Journal of Plant Sciences. 172 (4): 574–585. doi:10.1086/658920. ISSN 1058-5893. S2CID 52885618.