Image: Holoptychius nobilissimus
Holoptychius_nobilissimus.jpg (510 × 243 pixels, file size: 58 KB, MIME type: image/jpeg)
Description: Fig. 106.—Holoptychius nobilissimus, restored. Old Red Sandstone, Scotland. A, Scale of the same.
Title: Holoptychius nobilissimus
Credit: http://www.gutenberg.org/files/14279/14279-h/14279-h.htm
Author: H. ALLEYNE NICHOLSON
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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