Abstract
This report roughly describes various consonant systems found in the Afro-Asiatic (Hamito-Semitic) languages, alive and extinct, with their characteristic features. Comparison is made on the appearences of laryngeals (uvular, pharyngeal and glottal) and doubly articulated (most probably ejective in Proto-Afro-Asiatic) phonemes. The new types of double articulation such as uvularization, labialization, pre-glottalization, velarization, and pharyngalization, including implosives, pre-nasalation and even a click, are described in each section of the sub-families.
