Meriones unguiculatus true A rodent belonging to subfamily Gerbillinae, Meriones unguiculatus is the most common species of the gerbil subfamily. The Mongolian gerbil was first imported into the United States in 1954 by Dr. Victor Schwentker. Most gerbils used in pre-clinical research are agouti-colored and comprise less than 0.5% of total rodent usage annually. GC_ID:1 ncbi_taxonomy Mongolian gerbil Mongolian jird https://www.ncbi.nlm.nih.gov/pubmed/22938964 Rodentia