 Many members of this subfamily are quite fragmentary, and as a result the appearance and biology of the average noasaurine must be inferred from the most complete member of the group, "Masiakasaurus".Rauhut & Carrano (2016) define Noasaurinae as "all noasaurids more closely related to "Noasaurus" than to "Elaphrosaurus", "Abelisaurus", "Ceratosaurus", or "Allosaurus"".