Graptolites are the most important index fossils in these metamorphic rocks. Continuous Ordovician sections in Yongxin and Chongyi Counties, ... Chen X, Zhang Y D, Fan J X, Cheng J F and Li Q J.

The fossil arrived at Harvard in 2019, amid a collection of legally imported invertebrate fossils from the Fezouata Shale, a formation full of exquisitely preserved Ordovician fossils from the ...

A newfound fossil of a jawless fish is the oldest known vertebrate cranium preserved in 3D. The 455 million-year-old find could illuminate how vertebrate heads evolved.

A newly identified fossil discovered in the ancient shale of South Africa, has stunned paleontologists with its rare preservation of internal soft tissues. The research, published in Papers in ...

Long before the dawn of humans, dinosaurs, insects or even trees, a cascade of unfortunate events threatened to end life on earth. During the Ordovician Period, around 485 to 444 million years ago, ...

A rare and stunning discovery in New York State has unveiled a 450-million-year-old fossil that provides valuable insights into the evolutionary path of arthropods. This remarkable specimen, named ...

And graptolite fossils are not the animal itself. Instead, they’re flattened tubes with many openings that once hosted colonies of tentacled polyps, kind of like how coral lives today.

The newfound fossils also offer an unparalleled glimpse into a dynamic chapter of evolution called the great Ordovician biodiversification event. “This is when life started to get really ...

The Liexi Fauna was discovered in the Madaoyu Formation of the Lower Ordovician. The conodont and graptolite assemblages indicate a mid-Florian, Early Ordovician age, making it slightly younger ...

A newfound fossil of a jawless fish is the oldest known vertebrate cranium preserved in 3D. The 455 million-year-old find could illuminate how vertebrate heads evolved.