A group of special interest to mammalogists, taxonomists, and systemicists, ungulates have proven difficult to classify. This comprehensive review of the taxono

This book brings together the latest information on tropical ungulates in different Latin American countries. These animals are not only important from the poin

The most comprehensive guide to the bovids of the world Bovids are a diverse group of ruminant mammals that have hooves and unbranched hollow horns. Bovids of t

This volume explores the complexity, diversity and interwoven nature of taxonomic pursuits within the context of explorations of humans and related species. It

Frank E. Zachos offers a comprehensive review of one of today’s most important and contentious issues in biology: the species problem. After setting the stage