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What are ammonites, and how did they come to rule the prehistoric seas?
Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...
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Peak Iowa: Earth’s first apex predator — and a beloved UI museum exhibit — was much chonkier than we thought
For the homecoming parade in October, the student advisory board for the University of Iowa’s 160-year-old Museum of Natural ...
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Devonian Period
Learn about the time period that took place 416 to 359 million years ago. 4 min read When the Devonian period dawned about 416 million years ago the planet was changing its appearance. The great ...
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Placoderm, Hong Kong’s oldest fossil, an armoured fish that ruled marine world for 200 million years
The most recent discovery last year was an ammonite piece and trace fossil ... the most abundant and diverse group of fish during the Devonian period, which was 419 to 359 million years ago.