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Thursday, September 27, 2018 3:41:16 AM
558m-year-old fossils identified as oldest known animal
"315,000-Year-Old Fossils From Morocco Could Be Earliest Recorded Homo Sapiens"
Oval-shaped Dickinsonia lifeform existed at least 20m years before the ‘Cambrian explosion’ of animal life
Anthea Lacchia
Thu 20 Sep 2018 14.00 EDT
Last modified on Fri 21 Sep 2018 05.02 EDT
VIDEO: - 2:02 Scientists reveal secrets of oldest known animal fossil – video
A fossilised lifeform that existed 558m years ago has been identified as the oldest known animal, according to new research.
The findings confirm that animals existed at least 20m years before the so-called Cambrian explosion of animal life, which
took place about 540m years ago and saw the emergence of modern-looking animals such as snails, bivalves and arthropods.
[...]
“It is the exact type and composition of that fat that was the giveaway that Dickinsonia was in fact an animal,” said Jochen Brocks of the Australian
National University, one of the authors on the study. He added that the study solves “a decades-old mystery that has been the holy grail of palaeontology”.
The cliffs in which the fossils were found, on the coast of the White Sea in Russia.
Photograph: Ilya Bobrovskiy
The fossils were discovered on two surfaces on a cliffside in the remote wilderness of north-west Russia by PhD student Ilya Bobrovskiy,
who is lead author on the paper, published in the journal Science .. http://science.sciencemag.org/cgi/doi/10.1126/science.aat7228 .
https://www.theguardian.com/science/2018/sep/20/558m-year-old-fossils-identified-as-oldest-known-animal
"315,000-Year-Old Fossils From Morocco Could Be Earliest Recorded Homo Sapiens"
Oval-shaped Dickinsonia lifeform existed at least 20m years before the ‘Cambrian explosion’ of animal life
Anthea Lacchia
Thu 20 Sep 2018 14.00 EDT
Last modified on Fri 21 Sep 2018 05.02 EDT
VIDEO: - 2:02 Scientists reveal secrets of oldest known animal fossil – video
A fossilised lifeform that existed 558m years ago has been identified as the oldest known animal, according to new research.
The findings confirm that animals existed at least 20m years before the so-called Cambrian explosion of animal life, which
took place about 540m years ago and saw the emergence of modern-looking animals such as snails, bivalves and arthropods.
[...]
“It is the exact type and composition of that fat that was the giveaway that Dickinsonia was in fact an animal,” said Jochen Brocks of the Australian
National University, one of the authors on the study. He added that the study solves “a decades-old mystery that has been the holy grail of palaeontology”.
The cliffs in which the fossils were found, on the coast of the White Sea in Russia.
Photograph: Ilya Bobrovskiy
The fossils were discovered on two surfaces on a cliffside in the remote wilderness of north-west Russia by PhD student Ilya Bobrovskiy,
who is lead author on the paper, published in the journal Science .. http://science.sciencemag.org/cgi/doi/10.1126/science.aat7228 .
https://www.theguardian.com/science/2018/sep/20/558m-year-old-fossils-identified-as-oldest-known-animal
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