As his work developed a stratigraphic and sedimentological framework, he turned his attention to invertebrate paleontology, working on corals, crinoids, gastropods and bryozoans. After serving in the Army during World War II, Moore moved on to teach advanced courses such as “Field Stratigraphy” and “Geologic Development of the World” in the late 1940s. Treatise on Invertebrate Paleontology Following his war service, Moore began work on a project which was pitched to the University of Kansas, Kansas Geological Survey and the National Science Foundation, which would become the Treatise on Invertebrate Paleontology. With planning beginning in 1953, Moore drafted a project where specialists would write on their area of expertise in paleontology to a multi volume series. This international team of experts would provide the manuscripts, which would be published by the University of Kansas Press. Moore became the editor, and also supervised the dedications, introductions, definition of morphologic terms, as well as other explanations. He supplied the parts to the Treatise which concerned his own specialty areas. In the introduction to Part A of “Fossilization” (1979) a dedication to Moore as the founder of the Treatise was published. It also features a pen-and-ink sketch of him by his former student Roger Williams. As volumes of the Treatise were completed up until 1966 these were published by the Geological Society of America and the University of Kansas Press. After 1966, new volumes of the ongoing work were published by the Geological Society of America and the University of Kansas. The Treatise continues to this day, and new volumes are published online. The Paleontological Institute of the University of Kansas became the sole publisher of the series in 2009. Later career In 1958, Moore was appointed as a Solen E. Summerfield Distinguished Professor. This distinguished him as one of the leading professors of the university. He would go on to supervise many student theses and dissertations, a large number of them studying Kansas subjects. Many of these students went on to teach at major universities or distinguish themselves within their respective industries. Fluent in a number of languages, Moore was able to make use of international literature and expected his students to be similarly conversant with non-English literature. Memberships President of the Society of Economic Paleontologists and Mineralogists (1928– 1929) President of the American Association of State Geologists (1936–1937) President of the Paleontological Society (1947–1949) President of the Society of Systematic Zoology