The Apistogramma sororcula has been described by Wolfgng Staeck & Ingo Schindler:
Apistogramma sororcula, a new dwarf cichlid (Teleostei: Cichlidae) from the drainage of the rio Guaporé in Bolivia and Brazil
Apistogramma sororcula, a new dwarf cichlid (Teleostei: Cichlidae) from the drainage of the rio Guaporé in Bolivia and Brazil