When the US Supreme Court reviews decision of other courts, it is operating under its appellate jurisdiction.
There are three levels of Federal courts under the Supreme Court.
Supreme Court and lower federal courts
The circuit courts fall into this category.
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No, the Supreme Court reviews decisions of lower (inferior) courts under its appellate jurisdiction.
Constitutional federal courts are either created or allowed to be created under Article III of the Constitution. For instance, federal district courts and circuit court of appeals are Constitutional federal courts. The Supreme Court also falls under the category of Constitutional Federal Courts and it is the highest court in America. Legislative federal courts, on the other hand, are established by Congress using implied power. For instance, the Court of Military Appeals is a legislative federal court.
There are hundreds of inferior courts that exist in the United States. These courts are in place to serve under the supreme court.
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It is the Judaical Branch made up by the Supreme Court as well as other federal courts.