One of the distinguishing characteristics of Ohio’s indigenous American Indian Hopewell culture, which dates from around AD 1 to 400, is the use of unusual raw materials that found their way into Ohio ...
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Ammonites survived the asteroid that killed the dinosaurs, so what killed them not long after?
Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks ...
The ammonoids, an extinct subclass of cephalopods, offer a remarkable window into the evolutionary innovations of marine life. Their coiled, chambered shells and intricate suture patterns record a ...
The origins of vivid colours within the gemstone ammolite — a rare type of brightly coloured fossilised ammonite shell — are reported in research published in Scientific Reports. The colours of ...
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