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Top: Science: Earth_Sciences: Paleontology: Extinction: Cretaceous-Tertiary

This category is for websites dealing with the scientific study of the end-Mesozoic mass extinction.

Impact Theory

This category is for websites dealing with the theory that the impact of an extraterrestrial object led to the end-Mesozoic mass extinction.

• Open Directory Science: Earth Sciences: Paleontology: By Geological Interval: Cenozoic
• Open Directory Science: Earth Sciences: Paleontology: By Geological Interval: Mesozoic
• Open Directory Science: Earth Sciences: Paleontology: Invertebrates: Mollusks: Cephalopods: Ammonoids
• Open Directory Science: Earth Sciences: Paleontology: Micropaleontology: Foraminifera
• Open Directory Science: Earth Sciences: Paleontology: Vertebrates: Dinosaurs

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