Definition of subbranch
- The Southern Tungusic languages are a far more compact and diversified branch, subdivided into the Southeastern and Southwestern subbranches.
- —William W. Fitzhugh and Aron Crowell
- Birds are not only related to dinosaurs, they are dinosaurs. They're just a subbranch of dinosaurs.
- —Michael Novacek
- a bank subbranch