. Bulletin of the British Museum (Natural History), Geology. . Fig. 16. Litosphaeridium siphoniphorum (Cookson & Eisenack). A specimen from the Cenomanian. Left, apical view, showing the six-sided archaeopyle and the arrangement of the processes ; right, antapical view. x c. 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: 1617px × 1545px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll