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Thepotemich [5.8K]
4 years ago
10

What went extinct during the ordovician period?

Biology
1 answer:
ivolga24 [154]4 years ago
7 0
The Ordovician is best known for its diverse marine invertebrates, including graptolites, trilobites, brachiopods, and the conodonts (early vertebrates). A typical marine community consisted of these animals, plus red and green algae, primitive fish, cephalopods, corals, crinoids, and gastropods.
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