Examples from the Web for premolar
The dental formula is known, and is complete save for the loss of one incisor above and below, and one premolar above.
In Eusmilus the molar in both jaws is single, and there is but one premolar in the lower jaw.
Miniopterus has a premolar less in the upper jaw; it has a long tail as in the last genus.
The Cudahy material includes five isolated molars and a fragmentary ramus bearing only the premolar.
At about two and a half years the first premolar replaces its predecessor.