J. A. Jeletzky

• Macrofossil zones of the Marine Cretaceous of the western interior of Canada and their correlation with the zones andstages of Europe and the western interior of the United States
• New or poorly understood tertiary sepiids from Southeastern United States and Mexico
• Upper Jurassic and lower cretaceous rocks, west flank of Richardson Mountains between the headwaters of Blow River and Bell River, Yukon Territory 116P and 117A (parts of)