gypogeranus

from The Century Dictionary.

• noun A genus of grallatorial raptorial birds, containing the secretary-bird or serpent-eater of Africa, G. serpentarius or reptilivorus, and giving name to the family Gypogeranidæ: same as Sagittarius, Vosmaer, 1769; Serpentarius, Cuvier, 1797; Secretarius, Daudin, 1801; Ophiotheres, Vieillot, 1816. See Serpentarius.