Complete lists of the fossil types of amphibians, reptiles, birds, and trackways deposited in the collections of the Field Museum of Natural History are provided. The collections represent 152 holotypes, 482 paratypes, 8 cotypes, 1 doubtful neotype, and 53 casts of types from other museum collections. The catalogue number, the latest classification, a short description of the material, the type locality, the full citation, the pages on which the specimen was described, and listings of any figures are provided for each type specimen Includes bibliographical references (p. 44) and index Complete lists of the fossil types of amphibians, reptiles, birds, and trackways deposited in the collections of the Field Museum of Natural History are provided. The collections represent 152 holotypes, 482 paratypes, 8 cotypes, 1 doubtful neotype, and 53 casts of types from other museum collections. The catalogue number, the latest classification, a short description of the material, the type locality, the full citation, the pages on which the specimen was described, and listings of any figures are provided for each type specimen Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-1978). Fieldiana Geology New Series No. 1 began June 29, 1979