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520-Million-Year-Old Fossil from China Fills Gap in Evolutionary History of Cephalopods

30 July 2026 at 20:25
Life reconstruction of Eoceras shaanxiense. Image credit: Dinghua Yang.

Paleontologists have identified the earliest-known cephalopod equipped with a siphuncle -- a tubular extension of the mantle found in shelled cephalopods -- pushing back the fossil record of this key evolutionary feature to the Early Cambrian, roughly 520 million years ago.

The post 520-Million-Year-Old Fossil from China Fills Gap in Evolutionary History of Cephalopods appeared first on Sci.News: Breaking Science News.

Early Miocene Fossil Rewrites Family Tree of Little Carnivorous Marsupials

24 July 2026 at 21:40
An artist’s reconstruction of Miyumba chrisdickmani in the Early Miocene rainforests of northern Australia. Image credit: Nellie Pease.

Paleontologists at the University of New South Wales have described a new genus and species of dasyurid marsupial from the Early Miocene of Australia, offering the first solid evidence that the family Dasyuridae -- which today includes quolls, Tasmanian devils and tiny antechinuses -- existed long before scientists had proof of it in the fossil record.

The post Early Miocene Fossil Rewrites Family Tree of Little Carnivorous Marsupials appeared first on Sci.News: Breaking Science News.

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