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Deposits: Deposits – Fossils, geology and minerals. Highly acclaimed international earth science blog with over 800 articles and book reviews.

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Jon Trevelyan (UK) The Galerie de Paléontologie et d’Anatomie Comparée, part of the Muséum national d’Histoire naturelle, is located in the Jardin des Plantes in Paris. Established in 1898, the gallery showcases an extensive collection of fossils and anatomical specimens, offering insights into the evolution of life on Earth. The …

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Jon Trevelyan (UK) This is the sixteenth in my series of short articles on fossils of the Cambrian. Scenella amii is one of the more persistent enigmas of the Burgess Shale – small, conical and deceptively simple, yet taxonomically slippery. For more than a century, it has bounced between interpretations: …

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The most visually arresting fossils from the West Cumberland Coalfield, indeed from almost any British Carboniferous site, are the great patterned slabs of lycopsid bark that, if you are lucky, can sometimes be found. Their surfaces carry unmistakable geometric signatures: the diamond-shaped leaf cushions of Lepidodendron or the vertical rows of elongated scars typical of Sigill...

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Jon Trevelyan (UK) This is the fifteenth in my series of short articles on fossils of the Cambrian. Among the many extraordinary organisms preserved in the Middle Cambrian Burgess Shale, Pikaia gracilens stands out not for its strangeness but for its quiet familiarity. Living around 508 million years ago, this …

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Jon Trevelyan (UK) “Never judge a fossil by its surface.” Although not stated quite so succinctly, this is the central message running through Beneath the Stone. Jean-Claude Le Van An demonstrates that a fossil’s outward appearance often tells only part of the story. Hidden beneath the surrounding rock may be …

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