alb3800663

Paleozoic Flora, Calamites, Illustration

Paleozoic calamites, including a root (at right). Illustration from 1872. A calamite is any member of the lineage of giant horsetails, which belonged to the Sphenopsida, an important part of late Paleozoic vegetation. Calamites grew to be tree-sized plants with but with whorled branches seen in modern horsetails. A calamite root can be seen at right. The Paleozoic Era is the earliest of three geologic eras of the Phanerozoic Eon, spanning from roughly 541 to 252.17 million years ago.
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Titre:
Paleozoic Flora, Calamites, Illustration
Paleozoic calamites, including a root (at right). Illustration from 1872. A calamite is any member of the lineage of giant horsetails, which belonged to the Sphenopsida, an important part of late Paleozoic vegetation. Calamites grew to be tree-sized plants with but with whorled branches seen in modern horsetails. A calamite root can be seen at right. The Paleozoic Era is the earliest of three geologic eras of the Phanerozoic Eon, spanning from roughly 541 to 252.17 million years ago.
Crédit:
Album / Science Source / British Library
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Modèle: Non - Propriété: Non
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Taille de l'image:
2550 x 3639 px | 26.5 MB
Taille d'impression:
21.6 x 30.8 cm | 8.5 x 12.1 in (300 dpi)