- Anallantoidea
- Anallantoidea An`al*lan*toid"e*a, n. pl. [Gr. 'an priv. + E. allantoidea.] (Zo["o]l.) The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms. [1913 Webster]
The Collaborative International Dictionary of English. 2000.