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    Osteology of the caudal fin of some species of Cichlidae (Pisces, Perciformes, Labroidei)

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    This paper concerns the definition of the caudal fin of nine species of Cichilidae. For this, the caudal fin was analyzed regarding shape and position of the urostyle, parahypural and haemal spine 2 as well as the degree of ossification of the hypuraphophysis, number of caudal rays and distribution on their supporting elements
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