|Year of Publication:||2013|
|Authors:||Petuch, E. J.|
|Number of Pages:||1-252|
|City:||Boca Raton/London/New York|
|Keywords:||Tropical Atlantic realm, Tropical Northwestern Atlantic province|
Shallow water marine molluscan faunas are distributed in a pattern of distinct, geographically definable areas. This makes mollusks ideal for studying the distribution of organisms in the marine environment and the processes and patterns that control their evolution. Biogeography and Biodiversity of Western Atlantic Mollusks is the first book to use quantitative methodologies to define marine molluscan biogeographical patterns. It traces the historical development of these patterns for the subtropical and tropical western Atlantic. The book discusses the multistage process of evolving new taxa caused by eustatic fluctuations, ecological stress, and evolutionary selection. Drawing on his decades of intensive field work, the author defines three western Atlantic molluscan provinces and 15 subprovinces based on his Provincial Combined Index, a modern refinement of Valentine’s 50% rule. The faunal provinces—Carolinian, Caribbean, and Brazilian—are discussed in detail. The text defines the physical aspects of the provinces using quantitative data, with water temperature as the primary parameter. It discusses the details of the 15 subprovinces—geographically definable faunal subdivisions—as well as provinciatones, transition zones of provincial overlap. The author’s algorithms demonstrate that the bulk of the molluscan biodiversity is concentrated in 40 separate centers of speciation, ranging from Cape Hatteras, North Carolina, south to Argentina. Many of these evolutionary hotspots reside on remote archipelagos and offshore banks as well as within areas of provincial overlap. The text describes some of the more exotic and poorly known areas and presents maps and color photographs of characteristic habitats, index species, and live animals, including over 400 species of rare and seldom seen shells. Review "Professor Petuch draws upon an extraordinary wealth of personal experience and many decades of field work studying both recent and fossil mollusks throughout the western Atlantic, and has produced a prolific body of publications on these faunas. … [He] is to be commended for clearly and succinctly defining a useful tool for quantifying faunal distinctions among geographic regions. This methodology can also be used to produce a series of testable hypotheses that will serve both as a foundation and as a point of departure for additional research into the effects of geography and ecology on the evolution and diversification of faunas." —From the Foreword by M. G. Harasewych, Ph.D., National Museum of Natural History, Smithsonian Institution About the Author Edward J. Petuch, Ph.D., is a professor of geology in the Department of Geosciences at Florida Atlantic University in Boca Raton, where he teaches courses on oceanography, paleontology, and physical geology. Petuch has collected fossil and living mollusks in Australia, Papua-New Guinea, the Fiji Islands, French Polynesia, Japan, the Mediterranean coast of Europe, the Bahamas, Mexico, Belize, Brazil, and Uruguay. This research has led to the publication of more than 100 papers. His 14 previous books are well-known research texts within the malacological and paleontological communities.
Biogeography and biodiversity of western Atlantic mollusks
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