plural noun An·al·lan·toi·dea \¦aˌnalənˈtȯidēə, -naˌlanˈ-\

Definition of Anallantoidea

  1. :  the division of Vertebrata, including amphibians, fishes, and cyclostomes, in which no allantois, or at most a rudimentary one, is developed — compare anamniota


\-¦tȯidēən\ adjective or noun

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Origin and Etymology of anallantoidea

New Latin, from an- + allantois + -idea

First Known Use: 1860

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to criticize severely

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