The animal kingdom is likely older than current scientific understanding suggests, according to a study published in the journal Palaeontology.
Researchers found that a marine creature, known as Stromatoveris psygmoglena, provides a crucial link between the lifeforms of the Ediacaran Period (635 to 541 million years ago) and those of the later Cambrian (541 million to 485 million years ago). The transition between these two eras is key to understanding the origin of animals.
The animal kingdom is likely older than current scientific understanding suggests, according to a study published in the journal Palaeontology.
Researchers found that a marine creature, known as Stromatoveris psygmoglena, provides a crucial link between the lifeforms of the Ediacaran Period (635 to 541 million years ago) and those of the later Cambrian (541 million to 485 million years ago). The transition between these two eras is key to understanding the origin of animals.
Fossil evidence shows that during the Ediacaran Period, a wonderful variety of complex multicellular lifeforms began to emerge. But determining how these organisms—many of which resemble tubes or fronds—should be classified has proved challenging for researchers.
“The Ediacaran biota includes fossils of some of the oldest large and complex lifeforms known,” Jennifer Hoyal Cuthill, a paleobiologist from the University of Cambridge and the Tokyo Institute of Technology, told Newsweek.
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