Resoviaornis is an extinct genus of passerine bird from the Early Oligocene of southern Poland.

Boutersemia (Early Oligocene of Boutersem, Belgium) - glareolid?

In addition, a single isolated upper molar from the Early Oligocene of Pakistan has been tentatively assigned to D. chimaera.

Xenerodiops (Early Oligocene of Fayyum, Egypt)

Mastotermes gallica (Early Oligocene of France)

Genus Rupelrallus (Early Oligocene of Germany)

Rupelrallus (Early Oligocene of Germany) - rallid?

Filholornis from the Late Eocene or Early Oligocene of France is occasionally considered a musophagid, but its relationships have always been disputed.

Echinelops is an extinct genus of elopiform ray-finned fish known from the Early Oligocene of Eastern Anatolia, Turkey.

Paracygnopterus (Early Oligocene of Belgium and England)