Articles by Costa
Articles by Costa

Atlatarivulus santensis

2008 Atlantarivulus santensis a new subgenus


Atlantarivulus a new subgenus of the killifish genus Rivulus from the Eastern Brazilian coastal plains. (Telostei: Cyprinodontiformes: Rivulidae)

Promotion of the santensis species complex to the new subgenus Atlantarivulus

Rivulus cylindraceous

2011 Rivulus Subgenera

Phylogenetic position and taxonomic status of Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion and Melanorivulus (Cyprinodontiformes: Rivulidae)

2009 Callopanchax

Osteology of the African annual killifish genus Callopanchax (Teleostei: Cyprinodontiformes: Nothobranchiidae) and phylogenetic implications (2008/2009)

Osteological structures of Callopanchax are first described and illustrated. Twenty-six characters derived from comparisons of osseous structures among some aplocheiloid fishes provided evidence supporting hypotheses of relationships among three western African genera (Callopanchax, Scriptaphyosemion and Archiaphyosemion), as proposed in recent molecular analysis. The clade comprising Callopanchax, Scriptaphyosemion...

Anablepsoides beniensis

2006 Rivulus Cladistics

Relationships and taxonomy of the killifish genus Rivulus (Cyprinodontiformes: Aplocheiloidei: Rivulidae) from the Brazilian Amazonas river basin, with notes on historical ecology

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Richard J. Sexton