The Paleozoic Faunas is a book written by Stuart Weller and published in 1903. It is a comprehensive study of the fossils of the Paleozoic era, which covers the time period from 542 million years ago to 251 million years ago. The book is divided into three main sections, each of which focuses on a different period within the Paleozoic era: the Cambrian, the Ordovician, and the Silurian. In each section, Weller provides detailed descriptions of the...