Sagenopteris phillipsii

Sagenopteris phillipsii
Temporal range: Jurassic

Sagenopteris phillipsii leaves, Middle Jurassic, Gristhorpe Bed, Cloughton Formation, Cayton Bay, Yorkshire.
Scientific classification
Kingdom: Plantae
Division: Pteridospermatophyta
Order: Peltaspermales
Family: Caytoniaceae
Genus: Sagenopteris
Species: S. phillipsii
Binomial name
Sagenopteris phillipsii

Sagenopteris phillipsii are leaves of extinct species of seed ferns.

A complete reconstruction of Caytonia nathorstii plant Retallack and Dilcher 1988

Description

Sagenopteris phillipsii has narrow, palmately arranged leaves with anastomosing venation

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


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