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Dicroidium sp. seed fern
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Dicroidium sp. seed fern
Fossil Triassic plant from Queensland, Australia
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Media ID 8615035
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10706026
Australasia Australian Fern Frond Gymnospermopsida Mesozoic Phanerozoic Polypodiophyta Prehistoric Pteridophyta Pteridophyte Pteridosperm Pteridospermales Pteridospermatophyta Seed Seed Fern Triassic
EDITORS COMMENTS
1. Title: A Window into the Past: The Dicroidium Sp. Seed Fern from the Triassic Period of Queensland, Australia 2.. This image showcases a beautifully preserved fossil of a Dicroidium sp. seed fern frond, hailing from the Triassic period of Queensland, Australia. Dating back over 200 million years, this ancient pteridophyte is a testament to the rich biosphere that once thrived during the Mesozoic Era. The Dicroidium sp. is a member of the Pteridospermales, a group of seed ferns that were prevalent during the Paleozoic and Mesozoic eras. These plants, also known as pteridosperms or seed ferns, were characterized by their fronds bearing seeds, which set them apart from their non-seeded counterparts, the true ferns. The Triassic period, during which this fossil was formed, marked the beginning of the age of the dinosaurs. It was a time of significant evolutionary changes, with the emergence of various plant groups, including gymnosperms and angiosperms. The Dicroidium sp. seed fern represents an important transitional stage in the evolution of seed plants. The frond in this image exhibits intricate details, with its veined structure and complex arrangement of pinnules, which are the leaflets on the sides of the pinnae, or the main leaflets. The presence of seeds along the midrib further underscores the significance of this fossil. This Dicroidium sp. seed fern is a fascinating glimpse into the prehistoric world of the Phanerozoic Concordat, a geological time period spanning over 541 million years, marked by the presence of abundant fossilized remains. The discovery and study of such fossils provide valuable insights into the Earth's biosphere and the evolution of life on our planet. This image is a reminder of the rich history and diversity of plant life that has evolved over millions of years, with the Dicroidium sp. seed fern serving as a bridge between the ancient world of ferns and the modern world of seed plants.
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