. Ordovician fossils of north China. Paleontology; Paleontology. . 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 Grabau, Amadeus W. (Amadeus William), 1870-1946. Peking, Published by the Geological Survey of China

---

Size: 1385px × 1805px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectpaleont, bookyear1922