What is "hemicyoninae"

Hemicyoninae is an extinct subfamily of Ursidae often called "dog-bears", literally "half dog" ( Greek: "hemi-kuôn"), bear-like carnivoran living in Europe, North America, Africa and Asia during the Oligocene through Miocene epochs 33.9–5.3 Ma, existing for approximately . They are sometimes classified by some authors as a separate family.