Caytonia Nathorstii on:
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''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 process of reproduction in seed plants, the spermatophytes, includ ...
s.
Description
''Caytonia'' has berry like cupules with numerous small seeds arrayed along axesWhole 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).References
Fossil record of plants Jurassic plants Pteridospermatophyta {{jurassic-plant-stub