Costa, W.J.E.M. (2013): Hypsolebias caeruleus, a new seasonal killifish of the Hypsolebias adornatus complex from the Caatinga of north-eastern Brazil, São Francisco River basin (Cyprinodontiformes: Rivulidae).
Hypsolebias caeruleus Costa, 2013
Ichthyological Exploration of Freshwaters, 24 (2): 141-146.