Nemiana simplex pre-cambrian
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Nemiana simplex pre-cambrian
Nemiana simplex is an White Sea Ediacaran fossil (upper Vendian) in the sandstone shales from the Novodnestrovsky Quarry, Podolia, Ukraine. The ediacaran biota existed from about 580 to 540 million years ago, but the whole ecosytem biota largely dissappeared during the Cambrian explosion when most modern groups originated. Paliy (1976) identified Nemiana as a coelentrate, but not all the expected structures are clear. Some think it is a burrowing anenome with these structures as the base. Others suggest it may be a giant Chlorophyte algae similar to the living Ventricaria. Individual spheres of these alage are single cells with surprising rigidity
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Media ID 6318315
© This image is Paul D. Stewart 2009. Do not reproduce without permission of the photographer at Stewartpauld@aol.com
Algae Cambrian Early Life Fossil Pre Historic Russian
EDITORS COMMENTS
This print showcases the remarkable Nemiana simplex, an ancient White Sea Ediacaran fossil that dates back to the upper Vendian period. Found in the sandstone shales of the Novodnestrovsky Quarry in Podolia, Ukraine, this fossil offers a glimpse into Earth's early history. The Ediacaran biota thrived from approximately 580 to 540 million years ago before experiencing a significant decline during the Cambrian explosion. Nemiana simplex has been a subject of scientific intrigue and debate for decades. Paliy (1976) initially identified it as a coelentrate, although not all expected structures are clearly discernible. Some experts propose that it may be a burrowing anemone with these structures serving as its base, while others suggest it could be akin to giant Chlorophyte algae like Ventricaria found today. What makes this fossil even more fascinating is its resemblance to individual spheres of modern-day Ventricaria algae cells known for their surprising rigidity. This similarity hints at potential evolutionary connections between ancient and contemporary life forms. Photographed by Paul D. Stewart and available through Science Photo Library, this image invites us to marvel at our planet's rich prehistoric heritage and ponder the mysteries surrounding early life on Earth.
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