pycnaspideæ

from The Century Dictionary.

• In Sundevall's system of classification, the fourth cohort of scutelliplantar Passeres, including a heterogeneous group of chiefly Neotropical birds, such as those of the genera Rupicola, Chasmorhynchus, Cephalopterus, Tityra, and Lipaugus, to which are added the East Indian genera Calyptomena, Eurylæmus, and others.