Environment & Ecology · Evolution & Mass Extinctions
Which of the following groups of organisms went extinct alongside non-avian dinosaurs during the Cretaceous-Paleogene (K-Pg) mass extinction event?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Pelycosaurs like Dimetrodon
- 2Graptolites and trilobites
- 3Amphibians like salamanders and primitive fish
- 4Pterosaurs (flying reptiles) and ammonites✓
Correct answer
Pterosaurs (flying reptiles) and ammonites
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