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Neuropteris & Alethopteris Fossils

Neuropteris and Alethopteris Fern Fronds; some of the most widespread of all Pennsylvanian Epoch seed ferns. Specimens ~4" in lenth. Fronds are accented by pyrite deposition (gold color). Both are gymnosperms from the Carboniferous Period, Pennsylvanian Epoch, some 300 million years ago. Specimen courtesy of Pennsylavnia State Museum, Klose Coal Fossil Collection.
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Titre:
Neuropteris & Alethopteris Fossils
Légende: Voir la traduction automatique
Neuropteris and Alethopteris Fern Fronds; some of the most widespread of all Pennsylvanian Epoch seed ferns. Specimens ~4" in lenth. Fronds are accented by pyrite deposition (gold color). Both are gymnosperms from the Carboniferous Period, Pennsylvanian Epoch, some 300 million years ago. Specimen courtesy of Pennsylavnia State Museum, Klose Coal Fossil Collection.
Crédit:
Album / Science Source / Theodore Clutter
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Modèle: Non - Propriété: Non
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Taille de l'image:
4494 x 3000 px | 38.6 MB
Taille d'impression:
38.0 x 25.4 cm | 15.0 x 10.0 in (300 dpi)
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