| Citation | Maul, G.E., 1950. A espada preta. Pub. Liga Protec. Natur., Lisboa. 4:1-10. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 6255 |
| Language | Portuguese |
| Usage | not seen |
| Comments | |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |