Caytonia nathorstii
Caytonia nathorstii is an extinct species of seed ferns.
A complete reconstruction of Caytonia nathorstii plant
Retallack and Dilcher 1988
| Caytonia nathorstii | |
|---|---|
 | |
| 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 |
| Species: | †C. nathorstii |
| Binomial name | |
| †Caytonia nathorstii | |
Description
Caytonia has berry like cupules with numerous small seeds arrayed along axes
Whole plant reconstructions
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.
- Caytonia nathorstii may have been produced by the same plant as Caytonanthus arberi (pollen organs) and Sagenopteris phillipsii (leaves).
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References
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