[{"clade":"Crown group Callichthyidae","fossil":"Corydoras revelatus","left":"Dianema_urostriatum","right":"Corydoras_fowleri","min":"39.5","max":"99.30630631","locality":"Mais Gordo Formation, Argentina","authority":"NA","age_authority":"Minimum age constrained by zircon dating of overlying Faja Verde (del Papa et al. 2010)"}]