Caytonia

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Caytonia
Temporal range: Jurassic
Caytonia nathorstii ovulate structure, Middle Jurassic, Gristhorpe Bed, Cloughton Formation, Cayton Bay, Yorkshire.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Pteridospermatophyta
Order: Caytoniales
Family:
Caytoniaceae
Genus: Caytonia
H.H.Thomas, 1925
Species

Caytonia is an extinct genus of

seed ferns
.

A complete reconstruction of Caytonia nathorstii plant Retallack and Dilcher 1988[1]

Description

Caytonia has berry-like cupules with numerous small seeds arrayed along axes [2]

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.


References