(Trogonidae; Ϯ Narina Trogon A. narina) Gr. ἁπαλος hapalos  delicate; δερμα derma, δερματος dermatos  skin; "A possible defense against predators is the very easy detachment of feathers from the thin skin, a feature repeatedly referred to by museum collectors when recounting difficulties in preparing specimens." (Forshaw & Gilbert 2009); "SUB-GENERA.   ...   4. Bill with obscure serratures: tarsi naked, covered with scales; the two anterior toes divided nearly to their base.  (Type, Trogon Narina).  Africa.   APALODERMA. Sw." (Swainson 1833); "Apaloderma, Sw.  Bill as in Trogon, but the dentations almost obsolete. Feet stronger. The two anterior toes cleft to their base.  Africa.  The tenuirostral type.  A. Narina. Ois. d'Af. 228.  Reinwardii. Pl. Col. 124.*   ...   * Neither MM. Temminck nor Gould mention any thing of the form of the feet; I am, therefore, doubtful if this is its true situation." (Swainson 1837).
Var. Hapaloderma, Apoladerma.
Synon. Heterotrogon, Paratrogon.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 19 December 2018).