Favorite Extinct Placoderm: The Dunkleosteus

Dunkleosteus
Argh, Scary Fish! (All Photos Taken By Gail at the American Museum of Natural History)

Placoderms were the earliest group of vertebrates to achieve widespread success as predators. During the 50-Million-Year span of the Devonian period, they diversified worldwide to become the dominant fishes of that time. But despite this success, they rapidly declined and became extinct toward the end of the Devonian.

Dunkleosteus

Placoderms are characterized by heavy body armor covering the head and trunk regions. To me, it looks like a Tiger’s face with a Fish body. I like it.

Dunkleosteus

Placoderm Signage

Dunkleosteus

Look Out!

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