Primitive sharks like Stelacanthus, predatory fish like Dunkleosteus, and primitive yet huge arthropods and amphibians,
another period started
Trilobites existed in the Devonian period, but they were not exclusive to it. They were abundant before the period and continued to exist afterward, though in much less abundance.
During the devonian time period most of land was under water.
Devonian Period
there was plate tectonic movement
hlobowane
If you mean animals as in insects (arthropods), they came in around the Devonian period of the Paleozoic era If you mean animals as in fish, amphibians etc then they came in at the same time as the arthropods
The Devonian Period
The plants of the Devonian period were very small. The animals that survived were cartilaginous fish like sharks and rays. Some squid and octopus survived as well.
The period after the Devonian Period (416 to 359.2Ma) is the Carboniferous Period (359.2 to 299Ma).
Being in the vicinity of a Dunkleosteus, a large armored fish that liked to eat.
Fish first appeared in the Cambrian period, long before the Devonian.
The Devonian period lasted from 416 million years ago to 359.2 million years ago.
During the devonian time period most of land was under water.
The Devonian Period
Devonian Period
The Devonian Period