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Book Chapter
Dinosaur Extinction
2004
Overview
The disappearance of nonavian dinosaurs is probably the most notorious extinction event of all time, yet it is only a small part of a greater class of extinctions known as “mass extinctions.” Mass extinctions are global events characterized by unusually high rates of extinction. The magnitude of these rates is usually unspecified but it is generally significantly higher than the rate of so-called “background extinctions”; that is, extinctions that occur constantly through geologic time (Raup and Sepkoski 1982). Mass extinctions are also characterized by geologically short timescales and by a significant diminution in the number of surviving taxa, as well
Publisher
University of California Press
Subject
/ Biology
/ Botany
/ Cretaceous-Tertiary extinction
/ Ecology
/ Fossils
/ Iridium
/ Plants
/ Taxa
/ Triassic-Jurassic extinction
/ Zoology
ISBN
0520242092, 9780520242098
