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Extinct genus of seed ferns From Wikipedia, the free encyclopedia
Caytonia is an extinct genus of seed ferns.
Caytonia Temporal range: − | |
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Caytonia nathorstii ovulate structure, Middle Jurassic, Gristhorpe Bed, Cloughton Formation, Cayton Bay, Yorkshire. | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | †Pteridospermatophyta |
Order: | †Caytoniales |
Family: | †Caytoniaceae |
Genus: | †Caytonia H.H.Thomas, 1925 |
Species | |
Caytonia has berry-like cupules with numerous small seeds arrayed along axes [2]
Different organs attributed to the same original plant can be reconstructed from co-occurrence at the same locality and from similarities in the stomatal apparatus and other anatomical peculiarities of fossilized cuticles.
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