Oecomys sydandersoniOecomys sydandersoni is a species in the genus Oecomys, family Cricetidae, order Rodentia.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumChordataClassMammaliaOrderRodentiaFamilyCricetidaeGenusOecomysSpeciesOecomys sydandersoni