| Citation | Orton, E., 1861. Cephalaspis in the Old Red Sandstone of New York. Scientific American. |
| DOI / ISBN | |
| PDF/Reference URL | |
| Ref. No. | 136353 |
| Language | English |
| Usage | not used yet |
| Comments on the publication | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |