""A Classification of Vertebrata: Recent and Extinct"" is a book written by the German zoologist, Hans Gadow, and published in 1898. The book provides a comprehensive classification system for vertebrates, including both living and extinct species. The book is divided into four main sections: Fishes, Amphibians, Reptiles, and Birds and Mammals. Each section includes detailed descriptions of the different classes, orders, families, and genera within...