| Citation | Schindler, I. and W. Staeck, 2013. Description of Apistogramma helkeri sp. n., a new geophagine dwarf cichlid (Teleostei: Cichlidae) from the lower río Cuao (Orinoco drainage) in Venezuela. Vert. Zool. 63(3):301-306. |
| DOI / ISBN | |
| Paper URL | www.senckenberg.de/vertebrate-zoology on 18.xii.2013. |
| Ref. No. | 94599 |
| Language | English |
| Usage | used in part |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |