Five hundred million years ago, the oceans teemed with trillions of trilobites - a now extinct group of marine arthropods ruling the seas for more than 270 million years. Over 20,000 species have been ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About half a ...

Trilobites, prehistoric sea creatures, had so-called median eyes, single eyes on their foreheads, in addition to their compound eyes, research conducted by Dr. Brigitte Schoenemann at the University ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trilobites were one ...

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Oct. 17 (UPI) --Millions of years before "Conga," Gloria Estefan's hit single from the album Primitive Love, primitive arthropods were doing the dance on the bottom of the ocean floor. In a new study, ...

Nobody messes with the king. Well, except for the relentless passing of time. Scientists analyzing a large collection of trilobite specimens realized that one species, Redlichia takooensis, seemed to ...

Scientists have just revealed their findings on what are being described as the most pristine trilobite fossils ever found. The fossils, which show both hard exterior features and soft inner tissues, ...

Fossil of Tsinania sirindhornae, a trilobite named in honor of the Thai Royal Princess and her dedication to advancing the sciences. Ten newly discovered species of trilobites, hidden for 490 million ...

The “king” of the trilobites was snacking on whatever it could eat some 514 million years ago in the Cambrian era, even shelled creatures of its own species. By Rebecca Dzombak Cannibalism is common ...

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

About half a billion years ago, a volcanic eruption near a shallow sea in what’s now Morocco preserved some of the most complete specimens ever found of buglike sea creatures called trilobites, ...