Paleontology of the Cretaceous Formations of Texas: The Invertebrate Paleontology of the Trinity Division (1893) is a scientific book written by Robert Thomas Hill. The book is focused on the study of invertebrate fossils found in the Trinity Division of the Cretaceous formations in Texas. The author provides a comprehensive analysis of the different species of invertebrates found in the area, including mollusks, echinoderms, and corals. The book...