Dinophyton

Dinophyton is an extinct genus of gymnosperm found in late Triassic beds in North America. Its taxonomy is debated,^[2] but it may be a gnetophyte with bisaccate pollen.^[1]

Dinophyton Temporal range: Late Triassic ~235–221 Ma PreꞒ Ꞓ O S D C P T J K Pg N
D. spinosum fossil, National Museum of Natural History
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Gymnospermae
Division:	Gnetophyta
Genus:	†Dinophyton Ash 1970
Species
D. spinosum Ash 1970[1]