| Citation | Garcia-Ayala, J.R., C. Oliveira and R.C. Benine, 2025, Three new species of Poptella (Characiformes: Acestrorhamphidae: Stethaprioninae) from the Tocantins-Araguaia river system, central-northern Brazil.. J. Fish Biol. 1-15. |
| Ref. | 138248 Garcia-Ayala, J.R., C. Oliveira and R.C. Benine, 2025 |
| Page | 7-10;figs.2b,6-8;tab.1 |
| Named Used as Valid | Poptella spinula |
| Comment | etymology, morphology, occlit |
| Locality | Brazil, state of Tocantins, municipality of Piun, a tributary stream of the Rio Javaes, Rio Araguaia basin; LBP 36721. |
| Distribution | Brazil. |
| Quote | urn:lsid:zoobank.org:act: 974BEEAF-BF69-465B-A7EC-F155BF9ABDD3 Maximum size (paratype): 5.43 cm., SL; (holotype): 5.19 cm., SL. |