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Sagenopteris phillipsii

From Wikipedia, the free encyclopedia

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

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.

  • Sagenopteris phillipsii may have been produced by the same plant as Caytonia nathorstii (ovulate organs) and Caytonanthus arberi (pollen organs).


References


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This page was last edited on 14 October 2022, at 17:56
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