''Caytonia'' is an extinct genus of

seed fern A seed is an Plant embryogenesis, embryonic plant enclosed in a testa (botany), protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, includ ...

Caytonia reconstruction Retallack and Dilcher 1988

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 ''Caytonia nathorstii'' is an extinct species of seed fern A seed is an Plant embryogenesis, embryonic plant enclosed in a testa (botany), protective outer covering, along with a food reserve. The formation of the seed is a part of the pro ...

'' may have been produced by the same plant as '' Caytonanthus arberi'' (pollen organs) and ''

Sagenopteris phillipsii ''Sagenopteris phillipsii'' are leaves of extinct species of seed ferns. Description ''Sagenopteris phillipsii'' has narrow, palmately arranged leaves with anastomosing venation Whole plant reconstructions Different organs attrib ...

'' (leaves).

References

Pteridospermatophyta Jurassic plants Prehistoric plant genera Fossil record of plants Jurassic genus first appearances Jurassic extinctions {{jurassic-plant-stub