image: This shows Kenneth De Baets with a fully grown manticoceras (Late Devonian Period, Morocco): One of the largest ammonites of the Devonian Period. view more . Credit: Picture: Christian Klug ...

Researchers in the United Kingdom recently made a shocking discovery: a prehistoric fossil forest dating back 390 million years, making it the oldest known forest in the world. Their findings, ...

Ammonites appeared about 400 million years ago (the Early Devonian) and experienced an explosive radiation in the early Jurassic. In fact, ...

This ammonite dates to the Devonian period approximately 395 million years ago, and was found in modern-day Morocco. This cross-section was polished to show the minerals deposited in the inner ...

Ammonites – the ancient relatives of squid and octopuses ... Devonian pearls and ammonoid-endoparasite co-evolution Acta Palaeontologica Polonica DOI: 10.4202/app.2010.0044. More on parasites: ...

Ammonites are an extinct group of marine species that arose during the Devonian period (around 400 million years ago). Trichy: ...

Some Devonian trees are known to have grown 100 feet (30 meters) tall. By the end of the period the first ferns, horsetails, and seed plants had also appeared.