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no DOI — not checked<p class="HeadingRunIn">Costa, W.J.E.M. (1995) <em>Pearl killifishes - the Cynolebiatinae: systematics and biogeography of the neotropical annual fish subfamily. </em>TFH, Neptune City, 128 pp.</p><p class="HeadingRunIn">Costa, W.J.E.M. (1998) Phylogeny and classification of Rivulidae revisited: evolution of annualism and miniaturization in rivulid fishes (Cyprinodontiformes: Aplocheiloidei). <em>Journal of Comparative Biology</em>, 3, 33–92.</p><p class="HeadingRunIn">Costa, W.J.E.M. (2001) The neotropical annual fish genus <em>Cynolebias</em> (Cyprinodontiformes: Rivulidae): phylogenetic relationships, taxonomic revision and biogeography. <em>Ichthyological Exploration of Freshwaters</em>, 12, 333–383.</p><p class="HeadingRunIn">Costa, W.J.E.M. (2002) Monophyly and phylogenetic relationships of the neotropical annual fish genera <em>Austrolebias </em>and <em>Megalebias</em> (Cyprinodontiformes: Rivulidae). <em>Copeia</em>, 2002, 916–927.</p><p class="HeadingRunIn">Costa, W.J.E.M. (2003) Family Rivulidae (South American annual fishes). <em>In</em>: R.E. Reis, Kullander, S.O. & Ferraris, C.J., Jr. (eds), <em>Check list of the freshwater fishes of South and Central America</em>,<em> </em>Edipucrs, Porto Alegre, Pp 526–548.</p><p class="HeadingRunIn">Costa, W.J.E.M. & Cheffe, M.M. (2001) Three new annual fishes of the genus <em>Austrolebias</em> from the laguna dos Patos system, southern Brazil, and a redescription of <em>A. adloffii</em> (AHL) (Cyprinodontiformes: Rivulidae). <em>Comunicações do Museu de Ciências e Tecnologia da PUCRS, série Zoologia, </em>14, 179–200.</p><p class="HeadingRunIn">Costa, W.J.E.M. & Cheffe, M.M. (2002) <em>Austrolebias jaegari</em> (Cyprinodontiformes: Rivulidae: Cynolebiatinae): a new annual fish from the Laguna dos Patos system, southern Brazil, with a redescription of <em>A. gymnoventris</em> (Amato). <em>Aqua, Journal of Ichthyology and Aquatic Biology</em>, 6, 83–88.</p><p class="HeadingRunIn">Hoedeman, J.J. (1958) The frontal scalation pattern in some groups of toothcarps (Pisces, Cyprinodontiformes). <em>Bulletin of Aquatic Biology</em>,<em> </em>1, 23–28.</p><p class="HeadingRunIn">Loureiro, M., Azpelicueta, M.M. & G. García (2004) <em>Austrolebias arachan</em> (Cyprinodontiformes, Rivulidae), a new species of annual fish from northeastern Uruguay. <em>Revue Suisse de Zoologie</em>, 111, 21–30.</p><p class="HeadingRunIn">Taylor, W.R. & Van Dyke, G.C. (1985) Revised procedures for staining and clearing small fishes and other vertebrates for bone and cartilage study. <em>Cybium</em>, 9, 107–109.</p>
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