Ralph Willard Imlay

1908

• Ammonites from the Buchia zones in northwestern California and southwestern Oregon
• Callovian (Jurassic) ammonites from the United States and Alaska
• Characteristic Lower Cretaceous megafossils from northern Alaska
• Characteristic marine Jurassic fossils from the western interior of the United States
• Early and middle Bajocian (middle Jurassic) ammonites from southern Alaska
• Early cretaceous (Albanian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska
• Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska
• Early Jurassic ammonites from Alaska
• Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho
• Jurassic (Bathonian or early Callovian) ammonites from Alaska and Montana
• Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States
• Jurassic paleobiogeography of Alaska