Genus: Eoalulavis SANZ, CHIAPPE, PEREZ-MORENO, BUSCALIONI, MORATALLA, ORTEGA & POYATO-ARIZA, 1996
Etymology: Greek, eos, Dawn, Latin, aula, bastard wing, and Latin, avis, bird: because it provides the oldest evidence of an alula.

Species: hoyasi SANZ, CHIAPPE, PEREZ-MORENO, BUSCALIONI, MORATALLA, ORTEGA & POYATO-ARIZA, 1996
Etymology: Spanish word hyas, referring to the type area.

Holotype: LH 13500

Locality: Las Hoyas fossil site, La Cierva Township, , 20 km east of Cuenca, in the Castellan Branch of the Iberian Range, Cuenca Province, Spain.

Horizon: Calizas de La Huerguina Formation.

Biostratigraphy:

Age: Upper Hauterivian Stage, Late Neocomian subepoch-Lower Barremian Stage, Early Gallic subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary skeleton with feather impressions.