Gattungsbeschreibung: Kullander, Sven. 1986. „Cichlid Fishes of the Amazon River Drainage of Peru“. Swedish Museum of Natural History. Cichlids Amazon. pp. 1-431
Typusart: Acara flavilabris COPE, 1871
Beschriebene Arten:
Laetacara araguaiae OTTONI & COSTA, 2009
Laetacara curviceps (AHL, 1923)
Laetacara dorsigera (HECKEL, 1840)
Laetacara flamannellus OTTONI, BRAGANÇA, AMORIM & GAMA, 2012
Laetacara flavilabris (COPE, 1870)
Laetacara fulvipinnis STAECK & SCHINDLER, 2007
Laetacara thayeri (STEINDACHNER, 1875)