Cockerell, T.D.A. 1899m Tables for the determination of the genera of Coccidae.. Canadian Entomologist 31: 273-279, 330-333.

Notes: Keys to 8 subfamilies to tribes, and to 91 genera; Phenacoleachia, Ripersiella (Tinsley), Parafairmairia, Lagosinia, and Schizochlamidia, all n. gen.