. The Cyathaspididae; a family of Silurian and Devonian jawless vertebrates. Cyathaspididae. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Denison, Robert H. (Robert Howland), 1911-1985; Chicago Natural History Museum. Chicago : Chicago Natural History Museum Press
Size: 1268px × 1971px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorchicagonaturalhistorymuseum, bookcentury1900, bookcoll