1) Genus mesocricetus 2) Golden hamsters 3) Mammal genus 
Mesocricetus is a genus of Old World hamsters, including the golden hamster or Syrian hamster, the first hamster to be introduced as a domestic pet and still the most popular species for that purpose. Recent research has shown, unlike almost all other land mammals studied, two species of this genus (M. auratus and M. brandti) lack the capacity for...
A genus of the family muridae having three species. The present domesticated strains were developed from individuals brought from syria. They are widely used in biomedical research. ... (12 Dec 1998) ... 
[n] - golden hamsters
genus Mesocricetus noun golden hamsters