Costa, W.J.E.M., Amorim, P.F. & Mattos, J.L.O. (2018): Cryptic species diversity in the Hypsolebias magnificus complex, a clade of endangered seasonal killifishes from the São Francisco River basin, Brazilian Caatinga (Cyprinodontiformes, Aplocheilidae). · Hypsolebias gardneri Costa, 2018 · Hypsolebias hamadryades Costa, 2018 · ZooKeys, 777: 141–158.
Costa, W.J.E.M. (2018): Comparative morphology, phylogeny and classification of African seasonal killifishes of the tribe Nothobranchiini (Cyprinodontiformes: Aplocheilidae). · Cynobranchius subgen. nov. Costa, 2018 · Type species: Fundulus microlepis Vinciguerra, 1897 · Plesiobranchius subgen. nov. Costa, 2018 · Type species: Nothobranchius virgatus Chambers, 1984 · Zoological Journal of the Linnean Society, 184 (1): 115–135.
Fluviphylax wallacei Bragança, P.H.N. (2018): Fluviphylax gouldingi and F. wallacei, two new miniature killifishes from the middle and upper Rio Negro drainage, Brazilian Amazon (Teleostei, Cyprinodontiformes, Cyprinodontoidei). · Fluviphylax gouldingi Bragança et al., 2018 · Fluviphylax wallacei Bragança et al., 2018 · Spixiana: 41 (1): 133-146. [available through Research Gate]
Alonso, F., Terán, G.E., Calviño, P., García, I., Cardoso, Y. & García, G. (2018): An endangered new species of seasonal killifish of the genus Austrolebias(Cyprinodontiformes: Aplocheiloidei) from the Bermejo river basin in the Western Chacoan Region. · Austrolebias wichi Alonso et al., 2018 · PLoS ONE, 13 (5): e0196261.
Agnèse, J.-F., Chirio, L., Legros, O., Oslisly, R. & Bhé, H.M. (2018): Unexpected discovery of six new species of Aphyosemion (Cyprinodontiformes, Aplocheilidae) in the Wonga-Wongué Presidential Reserve in Gabon. · Aphyosemion aurantiacum Chirio et al., 2018 · Aphyosemion barakoniense Chirio et al., 2018 · Aphyosemion flammulatum Chirio et al., 2018 · Aphyosemion flavocyaneum Chirio et al., 2018 [Note: erroneously misspelled cyanoflavum […]
Nagy, B. (2019): Nothobranchius taiti, a new species of annual killifish from the upper Nile drainage in Uganda (Teleostei: Nothobranchiidae). · Nothobranchius taiti Nagy, 2019 · Ichthyological Exploration of Freshwaters, IEF-1091: [1-13]. Published 9 February 2019.
Nielsen, D.T.B. & Britzke, R. (2019): Melanorivulus aithogrammus, a new miniature species (Cyprinodontiformes: Rivulidae) from lower Rio Tapajós basin, Brazil, with a key for the species of the Melanorivulus zygonectes species group. · Melanorivulus aithogrammus Nielsen & Britzke, 2019 · aqua, International Journal of Ichthyology, 25 (1): 35-43.
Costa, W.J.E.M. (2019): Two new species of seasonal killifishes of the Nothobranchius melanospilus species complex from the East Africa biodiversity hotspot (Cyprinodontiformes: Aplocheilidae). · Nothobranchius kwalensis Costa, 2019 · Nothobranchius prognathus Costa, 2019 · Vertebrate Zoology, 69 (1): 73-82.
Costa, W.J.E.M. (2018): Three new species of the killifish genus Melanorivulus from the Rio Paraná Basin, central Brazilian Cerrado (Cyprinodontiformes, Aplocheilidae). Melanorivulus linearis Costa, 2018 Melanorivulus nigromarginatus Costa, 2018 Melanorivulus proximus Costa, 2018 Zoosystematics and Evolution, 94 (1): 17–27.
