Claim: The flank gland, located laterally on each side of the abdomen, is the only specialized posterolateral gland found predominately in certain species of rodents including voles, shrews, hamsters, and other members of the family Cricetidae, a family of rodents in the large and complex superfamily Muroidea.
Evidence: The flank gland is one of several specialized posterolateral glands (a group of glands located along the sides and the rear) found predominately in certain species of rodents including voles, shrews, hamsters, and other members of the family Cricetidae.