Oxymycterus juliacae is a hocicudo rodent of the eastern Andean Yungas. The species account in Mammals of South America treats it as a distinct species and records it in high-elevation forests of Peru and Bolivia.
The dorsal fur is dark brown and the underside is drab brown. Head-and-body length is reported at about 125–155 mm.
It is described as terrestrial and associated with upper montane and cloud-forest settings at roughly 1,000–2,700 m. The source does not give detailed information about diet or daily activity.
An extinction-risk assessment has not been added yet.