Note 18 — THE ASTEROLEPIS, ITS STRUCTURE, BULK, AND ASPECT.
Reading edition
One of the Thurso coprolites in my possession is about one fourth longer than the larger of the two specimens figured here, and nearly thrice as broad.
Reading edition
One of the Thurso coprolites in my possession is about one fourth longer than the larger of the two specimens figured here, and nearly thrice as broad.