As pointed out by Oates this genus differs from Fulvetta in having the hairs over the nostrils longer and the rictal bristles much longer; a shorter, broader bill and, especially, by its much shorter hind claw. The genus contains but one very little-known species which Hodgson first called chrysotis and then later altered to chrysaeus. The former name, however, must stand.
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Baker, EC S (1922–1930) The fauna of British India including Ceylon and Burma. Second edition. vol.1 1922.
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