What is Dunkleosteus?
Q: What is Dunkleosteus?
A: Dunkleosteus was a prehistoric arthrodire, a primitive fish from the later Devonian period, about 360 million years ago.
Q: What was the physical feature of Dunkleosteus?
A: Dunkleosteus was a heavily armoured placoderm.
Q: In which countries have fossils of Dunkleosteus been found?
A: Fossils of Dunkleosteus have been found in Morocco, Africa, Poland, Belgium, China, and the USA.
Q: When did Placodermi first appear?
A: Placodermi first appeared in the Silurian.
Q: When did the group Placodermi become extinct?
A: The group Placodermi became extinct during the transition from the Devonian to the Carboniferous, leaving no descendants.
Q: How long did the class Placodermi last?
A: The class Placodermi lasted barely 50 million years, in comparison to the 400 million year long history of sharks.
Q: What is the age of Dunkleosteus?
A: Dunkleosteus is from the later Devonian period, about 360 million years ago.
