Literature references
1 literature reference for Sphenocephalus melanogenys TSCHUDI 1845:
| Author: | Tschudi,J. J. von |
|---|---|
| Year: | 1845 |
| Title: | Reptilium conspectum quae in republica Peruana reperiuntur er pleraque observata vel collecta sunt in itenere. |
| Source: | Archiv für Naturgeschichte 11 (1): 150-170 [reprint 1968, SSAR] |