| Citation | Koslowski, I., 2002, Die Buntbarsche Amerikas, Band 2, Apistogramma & Co.. Verlag Eugen Ulmer GmbH und Co., Stuttgart, Germany, 320 p. |
| Ref. | 47893 Koslowski, I., 2002 |
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| Named Used as Valid | Apistogramma ortmanni |
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