In this groundbreaking work, Roy Ernest Dickerson presents a detailed study of the Vigo Group, a group of marine organisms that have been found in rocks dating back to the Devonian Period. Drawing on a wide range of evidence, including fossil records and DNA analysis, Dickerson argues that the Vigo Group played an important role in the evolution of marine molluscan faunas. Whether you are a paleontologist, a biologist, or simply interested in the...