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Science: Earth Sciences: Paleontology: By Geological Interval: Cenozoic
Science: Earth Sciences: Paleontology: By Geological Interval: Mesozoic
Science: Earth Sciences: Paleontology: Invertebrates: Mollusks: Cephalopods: Ammonoids
Science: Earth Sciences: Paleontology: Micropaleontology: Foraminifera
Science: Earth Sciences: Paleontology: Vertebrates: Dinosaurs
101 Crazy Dinosaur Theories
- Theories about dinosaur extinction
The Cretaceous Extinction
- 85 percent of all species died in the K-T extinction at the end of the Cretaceous period. This article provides information on the geological setting, the species affected and the possible causes of the event.
Dinosaurs and Extinctions
- From the Classroom of the Future website. Includes an introduction to the major theories on the Cretaceous-Tertiary extinction event.
Dinosaurs' End: The Gravitational Hypothesis
- An original, serious and well-argued theory by F.Malmartel explaining dinosaur extinction, especially why dinosaurs disappeared when other reptiles survived.
The End-Cretaceous (K-T) Extinction
- Discusses geologic setting, possible causes, and species affected by the event at the end of the Mesozoic Era.
The Great Mystery
- Information on current and past hypotheses on dinosaur extinctions from the University of California Paleontology Museum.
The K-T Extinction
- Essay by Richard Cowen about the mass extinction of many species that occurred at the end of the Cretaceous Period and how the catastrophe hypotheses hold up to scrutiny.
Timing and Rate of the KT Extinction: What Else Died Out?
- Article by Pete Goddard on this subject covering the sea, the land and the air, and coming to the conclusion that the evidence points to a single catastrophic event.
Science Daily: A World Ruled By Fungi
- After the extinction event, the dominant life form was the fungi that thrived in the dark. Researchers have constructed a timeline of the fungal takeover and eventual replacement by resurgent plant life. (March 08, 2004)
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