Lamberton’s forest rat is a rodent recorded in forest on the limestone formations of western Madagascar.
It has elongated ears and a densely furred tail. Specimens had a head-and-body length of about 19–23 centimetres.
Several individuals have been seen during late-afternoon walks in the Bemaraha limestone region. Detailed information on its behavior and diet is limited.
An extinction-risk assessment has not been added yet.