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// Workers AI · dad joke modeWhat did Alethopteris say? Leaf me alone.

From Wikipedia, the free encyclopedia

Alethopteris
Temporal range: Pennsylvanian,
~323.4–298.9 Ma
Alethopteris grandini, late Carboniferous, Kansas. At the Royal Tyrrell Museum of Palaeontology.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Division: †Pteridospermatophyta
Order: †Medullosales
Family: †Alethopteridaceae
Genus: †Alethopteris
Species
  • A. branneri
  • A. lobifolia
  • A. lonchiticus
  • A. roesserti
  • A. serlii
  • A. sullivantii
  • A. valida
  • A. whitbyensis
  • A. whitneyi

Alethopteris is a prehistoric plant genus of fossil pteridospermatophytes (seed ferns) that developed in the Pennsylvanian (around 320 to 300 million years ago).[1]

Alethopteris florentina De Stefani, 1901, Natural History Museum University of Pisa
Alethopteris, at the State Museum of Pennsylvania in Harrisburg.
Alethopteris sp.
Alethopteris Serlii on laminated mudstone from St. Clair, Pennsylvania.

See also

[edit]

References

[edit]
  1. ↑ "Seed Fern Fossil". www.fossilmuseum.net. Retrieved 2016-12-01.
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