Webster's Revised Unabridged Dictionary · 1913

Anatifa

Anatifa ({not transcribed}) , noun

[New Latin, contr. from anatifera. See Anatiferous.]

(Zoology) An animal of the barnacle tribe, of the genus Lepas, having a fleshy stem or peduncle; a goose barnacle. See Cirripedia.

The term Anatifa, in the plural, is often used for the whole group of pedunculated cirripeds.