- Source: Merrifieldia oligocenicus
Merrifieldia oligocenicus (synonyms Pterophorus oligocenicus) is an extinct moth of the family Pterophoridae. It is the only known fossil of the family Pterophoridae. It was discovered in Aix-en-Provence, Bouches-du-Rhone in France. It is a late Oligocene species, dated to 25–30 million years BP.
