Winged horizontal Profile Attendants with avian faces were also classified as Angel C by Menzel (1964, 1977) and belong with the 1942/1999 Conchopata offerings.
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.