Caytonia nathorstii
| Caytonia nathorstii Temporal range: − | |
|---|---|
| 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 | |
Caytonia nathorstii is an extinct species of seed ferns.