megafaunal

/ˌmɛɡəˈfɔːnəl/
adjective
  1. Relating to large or giant animals, especially those that lived in prehistoric times.
    • Scientists study megafaunal fossils to understand how climate change affected ancient ecosystems.
    • The museum has a new exhibit on megafaunal species like woolly mammoths and saber-toothed cats.
    • Many megafaunal mammals went extinct at the end of the last ice age.
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