4 min read When the Devonian period dawned about 416 million ... as it spawned a remarkable variety of fish. The most formidable of them were the armored placoderms, a group that first appeared ...

Placoderms are a class of prehistoric armoured fish that first appeared ... Placoderms were the most abundant and diverse group of fish during the Devonian period, which was 419 to 359 million ...

At that time, known as the Devonian period, the world was changing dramatically: complex plant ecosystems formed on land, the first woody plants appeared, and the water's edge was becoming a new ...

Our study, published in Royal Society Open Science, examines 365-million-year-old fossils of a fish with the world ... During the Late Devonian period, when Alienacanthus lived, Poland was ...