Fossil of Annularia orifolia, showing the leaves of an extinct horsetail plant, from the Carboniferous Period. Annularia is a form taxon, identifying the shape of the fossil, but not the species. Illustration from Louis Figuier's The World Before the Deluge, 1867 American edition.
Crédit: Album / Science Source
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Taille de l'image: 2837 × 2308 px | 18.7 MB
Taille d'impression: 24.0 × 19.5 cm | 1116.9 × 908.7 in (300 dpi)