Ibis Lacepede, Tabl. Oiseaux, p. 18 (1799).
Type by taut., Tantalus ibis Linn.
In this genus the bill is slightly turned downwards throughout its length; it is long, very slightly compressed, broad at the base, with the lower mandible concave beneath and with the culmen rounded throughout; both mandibles subcylindrical anteriorly; the nostrils oval and placed near the culmen at the base of the bill; head and throat naked, nape and neck feathered; legs long, with the tibia half naked ; the toes long; under tail-coverts very long, extending beyond the tail.
One species of this genus is found in India.