Sagenopteris phillipsii

Sagenopteris phillipsii are leaves of extinct species of seed ferns.

Sagenopteris phillipsii
Temporal range: Jurassic
Sagenopteris phillipsii leaves, 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: Sagenopteris
Species:
S. phillipsii
Binomial name
Sagenopteris phillipsii
(Brongn.) Presl
A complete reconstruction of Caytonia nathorstii plant Retallack and Dilcher 1988

Description

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Sagenopteris phillipsii has narrow, palmately arranged leaves with anastomosing venation

Whole plant reconstructions

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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

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