. Bulletin of the British Museum (Natural History), Geology. *^f. Fig. 25 Dyasmya elegans (King). Upper Permian, Magnesian Lime- stone, Claxheugh Quarry, Durham; C. T. Trechmann collection. Fig. 25a, BM PL5004, top view; Fig. 25b, BM PL5005, left side; both 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 British Museum (Natural History). London : BM(NH)

---

Size: 2135px × 1171px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll