The Asteroid Impact vs. Volcano Greenhouse Dinosaur Extinction Debate part of SERC Web Resource Collection

This paper discusses two theories of dinosaur extinction, and how Professor McLean's research led to one conclusion. The paper is available in a student version, as well as a science-political ...

Tracking the Course of Evolution: Extinction part of SERC Web Resource Collection

This essay on mass extinction events (Ordovician, Devonian, Permian, Triassic, Cretaceous) in the geologic record is a chapter from History of Life, a book written by Richard Cowen, in which he ...

Extinction part of SERC Web Resource Collection

This site discusses and defines a number of extinction concepts and provides a survey of some important extinction and extinction-like events, primarily from the Phanerozoic. There is information ...

Geology Fieldnotes: Grand Teton National Park, Wyoming part of SERC Web Resource Collection

This National Park Service resource includes information about geology, park maps, visitor information, photographs, and links to other sites about this park. Geologic information spans the entire ...

Tertiary Paleogeography and Tectonic History, Central Arizona part of SERC Web Resource Collection

This website presents images and text depicting the paleogeography and tectonic evolution of central Arizona during the Tertiary period. Emphasis is on an evolving Oligocene to Miocene drainage ...

The Cretaceous Period part of SERC Web Resource Collection

This resource discusses notable facts about the Cretaceous Period, the last portion of the "Age of Dinosaurs". The site covers Ceratopsians, such as the Tricerotops. It includes sections on ...

Are Birds Really Dinosaurs? part of SERC Web Resource Collection

Evidence presented on this site is overwhelmingly in favor of birds being the descendants of a maniraptoran dinosaur, probably something similar (but not identical) to a small dromaeosaur. Dr. ...

Introduction to Pterasauria: The Flying Reptiles part of SERC Web Resource Collection

This site is a general introduction to pterosaurs. Ranging from the size of a sparrow to the size of an airplane, the pterosaurs (Greek for "wing lizards") ruled the skies in the Jurassic ...

Geology Fieldnotes: Bryce Canyon National Park, Utah part of SERC Web Resource Collection

Located on the Colorado Plateau in Utah, this canyon is comprised mostly of sedimentary rocks, and continues to be eroded and shaped by the Paria River. Its geologic and human history are outlined on ...

Ornithomimidae (Bird Mimics): The Ostrich-Like Dinosaurs part of SERC Web Resource Collection

This site describes the Ornithomimids, a distinctive group of theropod dinosaurs who show a good example of convergent evolution with the ratite birds, such as ostriches. They were not as closely ...