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Devonian
What animals were dominant during the Devonian period?
The Devonian saw major evolutionary advancements by fishes with diversification and dominance in both marine and fresh water environments—the Devonian...
What animals or during the Devonian period?
Devonian Animal (Metazoan) FossilsTrilobites (ToL: Trilobites<Arthropoda<Ecdysozoa<Bilateria<Metazoa<Eukaryota)Echinoderms (ToL: Echino...
Animals exsisted in the Devonian period?
The Devonian* saw the peak of marine faunal diversity during the Paleozoic Era. New predators such as sharks, bony fishes and ammonoids ruled the ocea...
What caused the Devonian mass extinction?
The causes of these extinctions are unclear. Leading hypotheses include changes in sea level and ocean anoxia, possibly triggered by global cooling or...
What are some events that happened in the Devonian period?
Toward the end of the Devonian the first forests arose as stemmed plants evolved strong, woody structures capable of supporting raised branches and le...