Emuelloidea

Balcoracania dailyi is a small (typically about ) trilobite of the family Emuellidae. Its fossils have been found in south Australia and Antarctica.

Emuella is a genus of Cambrian trilobites of the family Emuellidae. Its fossils have been found in South Australia.

Emuellidae are a small family of trilobites, a group of extinct marine arthropods, that lived during the late Lower Cambrian (late Botomian) of the East Gondwana supercontinent, in what are today South-Australia and Antarctica.