""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 the invertebrate fossils found in the Trinity Division of the Cretaceous rock formations in Texas. The author provides detailed descriptions and illustrations of the various types of invertebrate fossils found in the area, including mollusks, echinoderms,...