Большая работа проведена Костой - таксономия трёх родов киллифиш из семейства Rivulidae с описанием 9 новых видов:
Pituna brevirostrata, new species
Pituna poranga Costa
Pituna compacta (Myers)
Pituna schindleri, new species
Pituna obliquoseriata, new species
Pituna xinguensis Costa & Nielsen, new species
Plesiolebias fragilis, new species
Plesiolebias altamira Costa & Nielsen, new species
Plesiolebias filamentosus Costa & Brasil, new species
Plesiolebias canabravensis Costa & Nielsen, new species
Maratecoara lacortei (Lazara)
Maratecoara formosa Costa & Brasil
Maratecoara splendida, new species
Taxonomy of the plesiolebiasine killifish genera Pituna, Plesiolebias and Maratecoara (Teleostei: Cyprinodontiformes: Rivulidae), with descriptions of nine new species.
Wilson J. E. M. Costa
Zootaxa 1410: 1–41 (2007)